UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gzL+wNmEF26ElPsWvIYXlcMeC9AyGD/u21K5nPaIG+M=' 
WHERE 
  key_id = '52b7f93b6a24cb953bf866fec420b0170572de3b50b4cb3af40296dc212a7840' 
  AND (
    token = 'gzL+wNmEF26ElPsWvIYXlcMeC9AyGD/u21K5nPaIG+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )