protected function getProcessingData()
 {
     $expirationDate = Mage::helper('M2ePro')->getDate(Mage::helper('M2ePro')->getCurrentGmtDate(true) + Ess_M2ePro_Model_Connector_Translation_Product_Add_MultipleRequester::MAX_LIFE_TIME_INTERVAL);
     return array_merge(parent::getProcessingData(), array('expiration_date' => $expirationDate));
 }