UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a5w541H+Uw0kzRWr6vUbXurTrmbWdIahkusdMhutXWM=' 
WHERE 
  key_id = '5754bf5a8e9df6a889ea670ca45c6c1ab285e410e936a1610503e65e2556df21' 
  AND (
    token = 'a5w541H+Uw0kzRWr6vUbXurTrmbWdIahkusdMhutXWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )