Abraham\TwitterOAuth\TwitterOAuth::setOauthToken PHP Method

    public function setOauthToken($oauthToken, $oauthTokenSecret)
    {
        $this->token = new Token($oauthToken, $oauthTokenSecret);
    }

 /**
  * Prepare the Twitter client before sending a request
  * Reads the oauth token and secret from the Provider for Twitter authentication
  *
  * @param  string  $provider_id
  * @throws \Exception
  */
 protected function prepareRequest($provider_id)
 {
     $userProvider = $this->providerRepository->get($provider_id);
     if (empty($userProvider['oauth_token']) || empty($userProvider['oauth_token_secret'])) {
         throw new \Exception('Invalid access token');
     }
     $this->client->setOauthToken($userProvider['oauth_token'], $userProvider['oauth_token_secret']);
 }