Essayez ceci :
SELECT
p.id,
p.name,
l.url,
o.user_id,
o.pricing_id
FROM orders AS o
INNER JOIN products_pricing AS pp ON o.pricing_id = pp.id
INNER JOIN products AS p ON pp.product_id = p.id
INNER JOIN listings AS l ON l.user_id = o.user_id
WHERE o.user_id ='7'
AND l.id = 233
AND l.url = 'test.com';
Démo SQL Fiddle
Pour les exemples de données que vous avez postés dans votre question, cela vous donnera :
| ID | NAME | URL | USER_ID | PRICING_ID |
------------------------------------------------------
| 33 | testproduct | test.com | 7 | 37 |