UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MZxYo/QFx1v0cOwGYNb1mrCVeuZn6PQuxHZ+iRfgqFI=' 
WHERE 
  key_id = '640a8010ff37ca9b51775a96fc3ea988b834fa44e2650e5498ed6b6c023d01d8' 
  AND (
    token = 'MZxYo/QFx1v0cOwGYNb1mrCVeuZn6PQuxHZ+iRfgqFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )