public function create(ApiAccount $account, $expire = null, $scope = null)
 {
     $token = new ApiOauthToken();
     $token->setOauthToken($this->getNewToken());
     $token->setExpires($expire);
     $token->setScope($scope);
     $token->setAccount($account);
     $this->om->persist($account);
     $this->update($token);
     return $token;
 }