SELECT 
  * 
FROM 
  cscart_product_options_exceptions 
WHERE 
  product_id = 4939 
ORDER BY 
  exception_id

Query time 0.00035

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 11 Using where; Using filesort

Result

exception_id product_id combination
1707 4939 a:2:{i:595;s:2:"-1";i:596;s:5:"14877";}
1787 4939 a:2:{i:595;s:2:"-1";i:596;s:5:"14873";}
1788 4939 a:2:{i:595;s:2:"-2";i:596;s:5:"14873";}
1988 4939 a:2:{i:595;s:2:"-1";i:596;s:5:"14890";}
1989 4939 a:2:{i:595;s:2:"-1";i:596;s:5:"14891";}
1990 4939 a:2:{i:595;s:2:"-1";i:596;s:5:"14892";}
1991 4939 a:2:{i:595;s:2:"-2";i:596;s:5:"14890";}
1992 4939 a:2:{i:595;s:2:"-2";i:596;s:5:"14891";}
1993 4939 a:2:{i:595;s:2:"-2";i:596;s:5:"14892";}
2865 4939 a:2:{i:595;s:2:"-1";i:596;s:5:"14874";}
2866 4939 a:2:{i:595;s:2:"-1";i:596;s:5:"14875";}