UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w0LwSrUx3R71weKHt40EWafHAlEwNatvNYM5yadsjRk=' 
WHERE 
  key_id = '81b8c6c2f8f9a1a7ff1227bbf5fb9791524715dac522d2f2750b149a8a6e4ebc' 
  AND (
    token = 'w0LwSrUx3R71weKHt40EWafHAlEwNatvNYM5yadsjRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )