UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W0a0LbtCb5zukmiqtd3VIwVPsjGjSJHtVk1F4hkXcqk=' 
WHERE 
  key_id = '871631642027882408a4b96570c10795c0f38b9802fc583f884f74a9f3ae40f5' 
  AND (
    token = 'W0a0LbtCb5zukmiqtd3VIwVPsjGjSJHtVk1F4hkXcqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )