UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3G1M1h908EpYOQ4EDw3KgFhCBU4O9TdWztabb9zv5Ew=' 
WHERE 
  key_id = '50ab570860209c3b75a807000cd1c7b7de67382c45aaca6c2d5b56d6f62834cf' 
  AND (
    token = '3G1M1h908EpYOQ4EDw3KgFhCBU4O9TdWztabb9zv5Ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )