Добавить сортировку в sql?

$sql="  select *,p.product_id as related_id  from " . DB_PREFIX . "product p  LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) where p.product_id in   (select product_id from " . DB_PREFIX . "product_to_category  where category_id in  (SELECT category_id FROM " . DB_PREFIX . "product_to_category where product_id=".(int)$product_id."))  AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "'limit 8";
			
			$query = $this->db->query($sql);