create table dbo.UserToken
(
    Id          int identity
        constraint UserToken_pk
            primary key,
    AccessToken nvarchar(max) not null,
    UserId      int           not null
        constraint UserToken_User_Id_fk
            references dbo.[User],
    Expiration  bigint        not null
)

CREATE procedure UsersToken_Update @Id int,
                                   @AccessToken nvarchar(255),
                                   @Expiration datetime
as
begin
    update dbo.[UserToken]
    set AccessToken = @AccessToken,
        Expiration  = @Expiration
    where Id = @Id
end;

    CREATE procedure UsersToken_Insert @AccessToken nvarchar(255),
                                       @UserId int,
                                       @Expiration datetime
    AS
    BEGIN
        INSERT INTO dbo.[UserToken] (AccessToken, UserId, Expiration)
        VALUES (@AccessToken, @UserId, @Expiration);
    END;

go