SELECT 
  * 
FROM 
  cscart_product_options_exceptions 
WHERE 
  product_id = 10966 
ORDER BY 
  exception_id

Query time 0.00036

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 13 Using where; Using filesort

Result

exception_id product_id combination
4175 10966 a:2:{i:729;s:5:"16059";i:730;s:2:"-1";}
4176 10966 a:2:{i:729;s:5:"16078";i:730;s:2:"-1";}
4177 10966 a:2:{i:729;s:5:"16067";i:730;s:2:"-1";}
4178 10966 a:2:{i:729;s:5:"16070";i:730;s:2:"-1";}
4179 10966 a:2:{i:729;s:5:"16079";i:730;s:2:"-1";}
4180 10966 a:2:{i:729;s:5:"16080";i:730;s:2:"-1";}
4181 10966 a:2:{i:729;s:5:"16073";i:730;s:2:"-1";}
4182 10966 a:2:{i:729;s:5:"16081";i:730;s:2:"-1";}
4183 10966 a:2:{i:729;s:5:"16074";i:730;s:2:"-1";}
4184 10966 a:2:{i:729;s:5:"16076";i:730;s:2:"-1";}
4185 10966 a:2:{i:729;s:5:"16077";i:730;s:2:"-1";}