UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WiltIwzKmiapuoQv0vjd/129k78IHT6dhPqsNxTEAvs=' 
WHERE 
  key_id = '4f9d53b855744cbffba63dde726b159367e49cd77985521c7b9ebd31b8d6e70d' 
  AND (
    token = 'WiltIwzKmiapuoQv0vjd/129k78IHT6dhPqsNxTEAvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )