SELECT 
  * 
FROM 
  cscart_product_options_exceptions 
WHERE 
  product_id = 62020 
ORDER BY 
  exception_id

Query time 0.00044

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_product_options_exceptions",
      "access_type": "ref",
      "possible_keys": ["product"],
      "key": "product",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "ref": ["const"],
      "rows": 3,
      "filtered": 100,
      "attached_condition": "cscart_product_options_exceptions.product_id <=> 62020"
    }
  }
}

Result

exception_id product_id combination
74155 62020 a:13:{i:22637;s:2:"-1";i:22638;s:6:"223705";i:21970;s:2:"-1";i:22639;s:2:"-1";i:22035;s:2:"-1";i:22039;s:6:"217305";i:22029;s:2:"-1";i:22030;s:2:"-1";i:22031;s:2:"-1";i:22034;s:2:"-1";i:22040;s:2:"-1";i:23537;s:2:"-1";i:21941;s:2:"-1";}
74156 62020 a:13:{i:22637;s:2:"-1";i:22638;s:6:"223705";i:21970;s:2:"-1";i:22639;s:2:"-1";i:22035;s:2:"-1";i:22039;s:6:"217306";i:22029;s:2:"-1";i:22030;s:2:"-1";i:22031;s:2:"-1";i:22034;s:2:"-1";i:22040;s:2:"-1";i:23537;s:2:"-1";i:21941;s:2:"-1";}
74157 62020 a:13:{i:22637;s:2:"-1";i:22638;s:6:"223705";i:21970;s:2:"-1";i:22639;s:2:"-1";i:22035;s:2:"-1";i:22039;s:6:"217307";i:22029;s:2:"-1";i:22030;s:2:"-1";i:22031;s:2:"-1";i:22034;s:2:"-1";i:22040;s:2:"-1";i:23537;s:2:"-1";i:21941;s:2:"-1";}