protected function existPayPalAddress($addressData)
    {
        $db = \OxidEsales\Eshop\Core\DatabaseProvider::getDb();

        $query = "SELECT `oxid` FROM `oxaddress` WHERE 1 ";
        $query .= " AND `oxfname` = " . $db->quote($addressData['oxfname']);
        $query .= " AND `oxlname` = " . $db->quote($addressData['oxlname']);
        $query .= " AND `oxstreet` = " . $db->quote($addressData['oxstreet']);
        $query .= " AND `oxstreetnr` = " . $db->quote($addressData['oxstreetnr']);
        $query .= " AND `oxcity` = " . $db->quote($addressData['oxcity']);
        $query .= " AND `oxcountryid` = " . $db->quote($addressData['oxcountryid']);
        $query .= " AND `oxstateid` = " . $db->quote($addressData['oxstateid']);
        $query .= " AND `oxzip` = " . $db->quote($addressData['oxzip']);
        $query .= " AND `oxfon` = " . $db->quote($addressData['oxfon']);

        if ($addressId = $db->getOne($query)) {
            return $addressId;
        }

        return false;
    }