SELECT 
  * 
FROM 
  cscart_product_options_exceptions 
WHERE 
  product_id = 10967 
ORDER BY 
  exception_id

Query time 0.00037

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 5 Using where; Using filesort

Result

exception_id product_id combination
4186 10967 a:2:{i:879;s:5:"17790";i:904;s:5:"18120";}
4187 10967 a:2:{i:879;s:5:"17791";i:904;s:5:"18120";}
4188 10967 a:2:{i:879;s:5:"17792";i:904;s:5:"18120";}
4189 10967 a:2:{i:879;s:5:"17793";i:904;s:5:"18120";}