UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mn36C7S6sVCXHbLmdr+C8K7ah0Bu1bkv5VKqi33iFZI=' 
WHERE 
  key_id = '9fe5406103b13e9cd3364350d2177b7604fb9eb81789f670af784d0c69d080e1' 
  AND (
    token = 'Mn36C7S6sVCXHbLmdr+C8K7ah0Bu1bkv5VKqi33iFZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )