diff --git a/jwt/jwt.go b/jwt/jwt.go
index 22ab8f0..ac12ad6 100644
--- a/jwt/jwt.go
+++ b/jwt/jwt.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"strings"
+	"time"
 
 	"git.daebt.dev/auth/algo"
 )
@@ -24,6 +25,11 @@ var (
 	//
 	ErrNotJWTType        = errors.New("token of not JWT type")
 	ErrAlgorithmMismatch = errors.New("token is signed by another algorithm")
+	//
+	Err_1           = errors.New("заданного владельца(ов) не существует")
+	Err_2           = errors.New("заданного aud не существует")
+	ErrExpired      = errors.New("token expired")
+	ErrNotActivated = errors.New("token yet not activated")
 )
 
 type Token struct {
@@ -80,7 +86,7 @@ func (t *Token) decodeSegment(str string, val any) error {
 	return json.Unmarshal(buf, val)
 }
 
-func (t *Token) Verify(a algo.Algorithm) error {
+func (t *Token) Verify(a algo.Algorithm, o ...VerifyOption) error {
 	if a == nil {
 		return ErrAlgorithmNil
 	}
@@ -91,6 +97,28 @@ func (t *Token) Verify(a algo.Algorithm) error {
 		return ErrAlgorithmMismatch
 	}
 
+	if val, err := t.Payload.GetExpirationTime(); err != nil && !errors.Is(err, ErrKeyNotExist) {
+		return err
+	} else if !errors.Is(err, ErrKeyNotExist) {
+		if time.Now().After(val) {
+			return ErrExpired
+		}
+	}
+
+	if val, err := t.Payload.GetNotBefore(); err != nil && !errors.Is(err, ErrKeyNotExist) {
+		return err
+	} else if !errors.Is(err, ErrKeyNotExist) {
+		if time.Now().Before(val) {
+			return ErrNotActivated
+		}
+	}
+
+	for _, f := range o {
+		if err := f(t); err != nil {
+			return err
+		}
+	}
+
 	return a.Verify(t.body, t.sign)
 }
 
diff --git a/jwt/jwt_test.go b/jwt/jwt_test.go
index 35ccfac..5d4f351 100644
--- a/jwt/jwt_test.go
+++ b/jwt/jwt_test.go
@@ -1,6 +1,7 @@
 package jwt_test
 
 import (
+	"errors"
 	"fmt"
 	"testing"
 	"time"
@@ -47,89 +48,92 @@ func TestCreate(t *testing.T) {
 
 	tm := time.Now()
 
-	var data = [][]jwt.Option{
+	var data = []*struct {
+		o []jwt.Option
+		v []jwt.VerifyOption
+		e error
+	}{
 		{
-			jwt.WithHeaderKeyId([]byte("019451f1-f789-72a6-836d-3bc6146ad76a")),
-			jwt.WithIssuer("https://git.daebt.dev"),
-			jwt.WithAudience("https://0.example.com"),
-			jwt.WithSubject("example:0"),
+			[]jwt.Option{
+				jwt.WithIssuer("https://git.daebt.dev"),
+			},
+			nil,
+			nil,
 		},
 		{
-			jwt.WithHeaderKeyId([]byte("019451f1-f789-72a6-836d-3bc6146ad76a")),
-			jwt.WithIssuer("https://git.daebt.dev"),
-			jwt.WithAudience("https://1.example.com"),
-			jwt.WithSubject("example:1"),
-			jwt.WithIssuedAt(tm),
-			jwt.WithExpirationTime(tm.Add(time.Hour)),
+			[]jwt.Option{
+				jwt.WithIssuer("https://git.daebt.dev"),
+				jwt.WithIssuedAt(tm),
+				jwt.WithExpirationTime(tm.Add(time.Hour)),
+			},
+			nil,
+			nil,
 		},
 		{
-			jwt.WithHeaderKeyId([]byte("019451f1-f789-72a6-2911-3bc6146ad76a")),
-			jwt.WithIssuer("https://git.daebt.dev"),
-			jwt.WithAudience("https://2.example.com"),
-			jwt.WithSubject("example:2"),
-			jwt.WithIssuedAt(tm),
-			jwt.WithNotBefore(tm),
+			[]jwt.Option{
+				jwt.WithIssuer("https://git.daebt.dev"),
+				jwt.WithIssuedAt(tm),
+				jwt.WithExpirationTime(tm.Add(-time.Hour)),
+			},
+			nil,
+			jwt.ErrExpired,
 		},
 		{
-			jwt.WithHeaderKeyId([]byte("019451f1-f789-72a6-2911-3bc6146ad76a")),
-			jwt.WithIssuer("https://git.daebt.dev"),
-			jwt.WithAudience("https://3.example.com"),
-			jwt.WithSubject("example:3"),
-			jwt.WithIssuedAt(tm),
-			jwt.WithNotBefore(tm.Add(time.Minute)),
+			[]jwt.Option{
+				jwt.WithIssuer("https://git.daebt.dev"),
+				jwt.WithIssuedAt(tm),
+				jwt.WithNotBefore(tm.Add(time.Hour)),
+			},
+			nil,
+			jwt.ErrNotActivated,
 		},
 		{
-			jwt.WithHeaderKeyId([]byte("019451f1-f789-72a6-2911-3bc6146ad76a")),
-			jwt.WithIssuer("https://git.daebt.dev"),
-			jwt.WithAudience("https://4.example.com"),
-			jwt.WithSubject("example:4"),
-			jwt.WithIssuedAt(tm),
-			jwt.WithNotBefore(tm.Add(time.Minute)),
-			jwt.WithExpirationTime(tm.Add(time.Hour)),
+			[]jwt.Option{
+				jwt.WithIssuer("https://git.daebt.dev"),
+				jwt.WithIssuedAt(tm),
+			},
+			[]jwt.VerifyOption{
+				jwt.WithVerifyIssuer("https://git.daebt.dev"),
+			},
+			nil,
+		},
+		{
+			[]jwt.Option{
+				jwt.WithIssuedAt(tm),
+			},
+			[]jwt.VerifyOption{
+				jwt.WithVerifyIssuer(),
+			},
+			jwt.ErrKeyNotExist,
+		},
+		{
+			[]jwt.Option{
+				jwt.WithIssuer("https://git.daebt.dev"),
+				jwt.WithIssuedAt(tm),
+			},
+			[]jwt.VerifyOption{
+				jwt.WithVerifyIssuer(),
+			},
+			nil,
 		},
 	}
 
-	for _, v := range data {
-		// t.Run(fmt.Sprint(i), func(t *testing.T) {
-		val, err := jwt.New(v...).Sign(alg)
-		if err != nil {
-			t.Fatal(err.Error())
-		}
-		// t.Log(val)
-		fmt.Printf(`"%s",`, val)
-		// })
+	for i, v := range data {
+		t.Run(fmt.Sprint(i), func(t *testing.T) {
+			val, err := jwt.New(v.o...).Sign(alg)
+			if err != nil {
+				t.Fatal(err.Error())
+			}
+
+			tkn, err := jwt.Parse(val)
+			if err != nil {
+				t.Fatal(err.Error())
+			}
+
+			if err := tkn.Verify(alg, v.v...); !errors.Is(err, v.e) {
+				t.Fatal(err.Error())
+			}
+		})
 	}
 
 }
-
-// func TestJwt(t *testing.T) {
-// 	alg, err := rs.NewRS256(
-// 		rs.WithGenerateKey(2048),
-// 	)
-// 	if err != nil {
-// 		t.Fatal(err.Error())
-// 	}
-
-// 	tkn := New(
-// 		WithSubject("main-jwt-token"),
-// 	)
-
-// 	str, err := tkn.Sign(alg)
-// 	if err != nil {
-// 		t.Fatal(err.Error())
-// 	}
-
-// 	tkn, err = Parse(str)
-// 	if err != nil {
-// 		t.Fatal(err.Error())
-// 	}
-
-// 	if err := tkn.Verify(alg); err != nil {
-// 		t.Fatal(err.Error())
-// 	}
-
-// 	tkn.Payload.Range(func(key string, val any) bool {
-// 		t.Log(key, val)
-// 		return true
-// 	})
-// }
diff --git a/jwt/option.go b/jwt/option.go
index 9a61413..8e115ec 100644
--- a/jwt/option.go
+++ b/jwt/option.go
@@ -39,21 +39,22 @@ func WithAudience(aud ...string) Option {
 // WithExpirationTime устанавливает время истечения срока действия, по истечении которого JWT НЕ ДОЛЖЕН быть принят к обработке
 func WithExpirationTime(exp time.Time) Option {
 	return func(t *Token) {
-		t.Payload.AppendArg("exp", exp)
+
+		t.Payload.AppendArg("exp", exp.Unix())
 	}
 }
 
 // WithNotBefore устанавливает время, до которого JWT НЕ ДОЛЖЕН быть принят к обработке
 func WithNotBefore(nbf time.Time) Option {
 	return func(t *Token) {
-		t.Payload.AppendArg("nbf", nbf)
+		t.Payload.AppendArg("nbf", nbf.Unix())
 	}
 }
 
 // WithIssuedAt устанавливает время, когда был создан JWT
 func WithIssuedAt(iat time.Time) Option {
 	return func(t *Token) {
-		t.Payload.AppendArg("iat", iat)
+		t.Payload.AppendArg("iat", iat.Unix())
 	}
 }
 
@@ -88,3 +89,50 @@ func WithHeaderKeyId(kid []byte) Option {
 		t.Header.AppendArg("kid", base64.RawURLEncoding.EncodeToString(kid))
 	}
 }
+
+type VerifyOption func(*Token) error
+
+// WithVerifyIssuer проверяет существуют ли заданные владельцы
+func WithVerifyIssuer(iss ...string) VerifyOption {
+	return func(t *Token) error {
+		val, err := t.Payload.GetIssuer()
+		if err != nil {
+			return err
+		}
+
+		if len(iss) == 0 {
+			return nil
+		}
+
+		for _, v := range iss {
+			if v == val {
+				return nil
+			}
+		}
+
+		return Err_1
+	}
+}
+
+func WithVerifyAudience(aud ...string) VerifyOption {
+	return func(t *Token) error {
+		val, err := t.Payload.GetAudience()
+		if err != nil {
+			return err
+		}
+
+		if len(aud) == 0 {
+			return nil
+		}
+
+		for _, a := range aud {
+			for _, v := range val {
+				if a == v {
+					return nil
+				}
+			}
+		}
+
+		return Err_2
+	}
+}