SELECT 
  a.*, 
  b.option_name, 
  b.option_text, 
  b.description, 
  b.inner_hint, 
  b.incorrect_message, 
  b.comment 
FROM 
  cscart_product_options as a 
  LEFT JOIN cscart_product_options_descriptions as b ON a.option_id = b.option_id 
  AND b.lang_code = 'fr' 
WHERE 
  a.product_id IN (606) 
  AND status = 'A' 
ORDER BY 
  a.position

Query time 0.00371

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE a ref c_status c_status 6 const,const 1 Using index condition; Using where; Using filesort
1 SIMPLE b eq_ref PRIMARY PRIMARY 9 mahm3t_cs443.a.option_id,const 1 Using where