SELECT 
  * 
FROM 
  cscart_product_options_exceptions 
WHERE 
  product_id = 10384 
ORDER BY 
  exception_id

Query time 0.00028

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 2 Using where; Using filesort

Result

exception_id product_id combination
3152 10384 a:2:{i:908;s:5:"18134";i:926;s:2:"-1";}
3153 10384 a:2:{i:908;s:5:"18134";i:926;s:2:"-2";}