protected function insert($appServer)
    {
        $query = "insert into oxconfig (oxid, oxshopid, oxmodule, oxvarname, oxvartype, oxvarvalue)
               values(?, ?, '', ?, ?, ENCODE( ?, ?) )";

        $parameter = [
            \OxidEsales\Eshop\Core\Registry::getUtilsObject()->generateUID(),
            $this->config->getBaseShopId(),
            self::CONFIG_NAME_FOR_SERVER_INFO.$appServer->getId(),
            'arr',
            $this->convertAppServerToConfigOption($appServer),
            $this->config->getConfigParam('sConfigKey')
        ];

        $this->database->execute($query, $parameter);
    }