UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iw/XJ6fey++irOIQja0Q7TpN9LQLqC7aWFmwCbEpW/A=' 
WHERE 
  key_id = '1f8de9a949882a120536e22c48f6394071d1707dec92841615cb8a1f5d15bf51' 
  AND (
    token = 'Iw/XJ6fey++irOIQja0Q7TpN9LQLqC7aWFmwCbEpW/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )