UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2xb7TWh0QUtg8hFXOHCw9Lu+Bc+tAYi93uAriFvGa2Y=' 
WHERE 
  key_id = 'c252891ff1fdf4024c3e7e60dcd7fb1b51ea29024e3d4b71f719a16c02ea3fe4' 
  AND (
    token = '2xb7TWh0QUtg8hFXOHCw9Lu+Bc+tAYi93uAriFvGa2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )