SELECT 
  * 
FROM 
  cscart_product_options_exceptions 
WHERE 
  product_id = 44943 
ORDER BY 
  exception_id

Query time 0.00091

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}