Query geeft geen results

mysql_query("SELECT * FROM menu_item WHERE menu_item_parent_id = ".$menu_item_parent_id." AND 'order' = ".$menu_item_order_nieuw."");

mysql_query("SELECT * FROM menu_item WHERE menu_item_parent_id = ".$menu_item_parent_id." AND 'order' = ".$menu_item_order_nieuw."");

<?php

$query = mysql_query("SELECT * FROM `menu_item` WHERE `menu_item_parent_id` = '".$menu_item_parent_id."' AND `order` = '".$menu_item_order_nieuw."'") or die ( mysql_error() );
$result = mysql_num_rows( $query );

if( $result )
	echo 'Resultaat!';
else
	echo 'Geen resultaat!';
	
?>

<?php
 
$query = mysql_query("SELECT * FROM `menu_item` WHERE `menu_item_parent_id` = '".$menu_item_parent_id."' AND `order` = '".$menu_item_order_nieuw."'") or die ( mysql_error() );
$result = mysql_num_rows( $query );
 
if( $result )
	echo 'Resultaat!';
else
	echo 'Geen resultaat!';
 
?>

<?php

    mysql_query("SELECT * 
                 FROM `menu_item` 
                 WHERE `menu_item_parent_id` = " . intval($menu_item_parent_id) . " 
                 AND `order` = " . intval($menu_item_order_nieuw));

<?php
 
    mysql_query("SELECT * 
                 FROM `menu_item` 
                 WHERE `menu_item_parent_id` = " . intval($menu_item_parent_id) . " 
                 AND `order` = " . intval($menu_item_order_nieuw));