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SELECT 
  * 
FROM 
  cscart_product_options_exceptions 
WHERE 
  product_id = 1655 
ORDER BY 
  exception_id

Query time 0.00031

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	cscart_product_options_exceptions	ref	product	product	3	const	12	Using where; Using filesort

Result

exception_id	product_id	combination
207	1655	a:1:{i:535;s:5:"14038";}
208	1655	a:1:{i:535;s:5:"14039";}
209	1655	a:1:{i:535;s:5:"14040";}
210	1655	a:1:{i:535;s:5:"14041";}
211	1655	a:1:{i:535;s:5:"14215";}
212	1655	a:1:{i:535;s:5:"14042";}
213	1655	a:1:{i:535;s:5:"14043";}
214	1655	a:1:{i:535;s:5:"14045";}
215	1655	a:1:{i:535;s:5:"14046";}
216	1655	a:1:{i:535;s:5:"14048";}
217	1655	a:1:{i:535;s:5:"14050";}
1041	1655	a:1:{i:535;s:5:"15309";}
1100	1655	a:1:{i:535;s:5:"15373";}