UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WNC8vGRquU4yxKL1rSaHb0V6tNoMVRW5FKHxyuq7Rj0=' 
WHERE 
  key_id = '842a793c098f45d25601e5e1397c1581e2736e99553e3c1ee1615ff8420eef54' 
  AND (
    token = 'WNC8vGRquU4yxKL1rSaHb0V6tNoMVRW5FKHxyuq7Rj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )