UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SruWpWXS1Y4CzVBQI1HLhU9gNuX1DSdEKxXkpPbkAPU=' 
WHERE 
  key_id = '81c2fe69ab8bf5d2aaeae0a2b689c3e0df712c590ab8a8c8620665c4071fb1fa' 
  AND (
    token = 'SruWpWXS1Y4CzVBQI1HLhU9gNuX1DSdEKxXkpPbkAPU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )