UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '18Gn/bhtkpQ08xJvxeAAHQERZ2/2jDKIL14n2iux4rs=' 
WHERE 
  key_id = '8df99055597a2129dc955098a351daba335a8346f88b0f2eb8efb155a2ec9776' 
  AND (
    token = '18Gn/bhtkpQ08xJvxeAAHQERZ2/2jDKIL14n2iux4rs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )