protected function _updateOrderDate()
    {
        $oDb = \OxidEsales\Eshop\Core\DatabaseProvider::getDb();
        $sDate = date('Y-m-d H:i:s', \OxidEsales\Eshop\Core\Registry::getUtilsDate()->getTime());
        $sQ = 'update oxorder set oxorderdate=' . $oDb->quote($sDate) . ' where oxid=' . $oDb->quote($this->getId());
        $this->oxorder__oxorderdate = new \OxidEsales\Eshop\Core\Field($sDate, \OxidEsales\Eshop\Core\Field::T_RAW);
        $oDb->execute($sQ);
    }