UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C51iUxHUTKBHYH9b1PSEcdFveiowsmyXqPltbbnu7BA=' 
WHERE 
  key_id = 'eb2ce93c075d8559bff3979f304542e4ff271eb1ce82e67806cc86ae2697c93d' 
  AND (
    token = 'C51iUxHUTKBHYH9b1PSEcdFveiowsmyXqPltbbnu7BA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )