diff --git a/internal/db/models.go b/internal/db/models.go
index c980831..ff508e4 100644
--- a/internal/db/models.go
+++ b/internal/db/models.go
@@ -8,6 +8,14 @@ import (
 	"github.com/jackc/pgx/v5/pgtype"
 )
 
+type RefreshToken struct {
+	ID        int64              `json:"id"`
+	UserID    int64              `json:"user_id"`
+	TokenHash string             `json:"token_hash"`
+	CreatedAt pgtype.Timestamptz `json:"created_at"`
+	ExpiresAt pgtype.Timestamptz `json:"expires_at"`
+}
+
 type User struct {
 	ID        int64              `json:"id"`
 	Email     string             `json:"email"`
diff --git a/internal/db/querier.go b/internal/db/querier.go
index 4009e44..89a212b 100644
--- a/internal/db/querier.go
+++ b/internal/db/querier.go
@@ -9,8 +9,12 @@ import (
 )
 
 type Querier interface {
+	CreateRefreshToken(ctx context.Context, arg CreateRefreshTokenParams) (RefreshToken, error)
 	CreateUser(ctx context.Context, arg CreateUserParams) (User, error)
+	DeleteAllUserRefreshTokens(ctx context.Context, userID int64) error
+	DeleteRefreshToken(ctx context.Context, tokenHash string) error
 	DeleteUser(ctx context.Context, arg DeleteUserParams) error
+	GetRefreshToken(ctx context.Context, tokenHash string) (RefreshToken, error)
 	GetUserByEmail(ctx context.Context, dollar_1 string) (User, error)
 	GetUserById(ctx context.Context, id int64) (User, error)
 	ListUsers(ctx context.Context) ([]User, error)