$bkz = mysql_query("SELECT COUNT(*) FROM `ratings` WHERE `type` = 'comm' AND `refid` = '" . $id . "' AND `moder`='3' AND `rat` > 3;");все как обычно
$bkz = mysql_query("SELECT COUNT(*) FROM `ratings` WHERE `type` = 'comm' AND `refid` = '" . $id . "' AND `moder`='3' AND `rat` > 3;");