Wpshop - wordpress

$query = $wpdb->prepare('
			SELECT P.*, PM.meta_value AS attribute_set_id
			FROM '.$wpdb->posts.' AS P
				INNER JOIN '.$wpdb->postmeta.' AS PM ON (PM.post_id=P.ID)
			WHERE
				P.ID = %d 
				AND ( (P.post_type = "'.WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT.'") OR (P.post_type = "' . WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT_VARIATION . '") )
				AND P.post_status IN (' . $post_status . ')
				AND	PM.meta_key = "_' . WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT . '_attribute_set_id" 
			LIMIT 1
		', $product_id);