public function updateAccessToken($tokenExpiresTime, $refreshToken, $refreshTokenExpiresTime, $accessToken){
       $this->setAccessToken($accessToken);
       $this->setRefreshToken($refreshToken);
       $this->setAccessTokenValidationPeriodInSeconds($tokenExpiresTime);
       $this->setRefreshTokenValidationPeriodInSeconds($refreshTokenExpiresTime);
       $this->setAccessTokenExpiresAt(time() + $tokenExpiresTime);
       $this->setRefreshTokenExpiresAt(time() + $refreshTokenExpiresTime);
    }