UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v/xxiacbejRkXb8Xebqjpnvl4P/lcXLozkEjRi9ZKsc=' 
WHERE 
  key_id = 'b6539fcd7e28f7bc7e9764fcd1d2dd1f5a28b844d52c77e2876f2f7519562dca' 
  AND (
    token = 'v/xxiacbejRkXb8Xebqjpnvl4P/lcXLozkEjRi9ZKsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )