UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bu79ss+hINYh/j4vz2C5katd82mFgj2h774QWC4BkwA=' 
WHERE 
  key_id = '8c6cb92218de605a68678a6d442cada4b7d61171e6e24e0f3437da55b1176aee' 
  AND (
    token = 'Bu79ss+hINYh/j4vz2C5katd82mFgj2h774QWC4BkwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )