function checkAPIToken($APIToken)
 {
     $APIClient = new APIClient($APIToken, MODULE_EM_SHOP_TOKEN, EasymarketingHelper::getWebsiteURL());
     $response = $APIClient->performRequest('extraction_status');
     $retval = false;
     if (isset($response['status']) && $response['status'] != 401) {
         $retval = true;
     }
     xtc_db_query("UPDATE " . TABLE_CONFIGURATION . " SET configuration_value = '" . (int) $retval . "' WHERE configuration_key = 'MODULE_EM_API_STATUS'");
     return $retval;
 }