UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ug6redHUZ2X5P57Xcj+6P8ELA0tctctxlJcy0sy19Pk=' 
WHERE 
  key_id = '4493afae8457efd326a1a61d1a0ebc78a6d5f40263f9b4beaf29d936675165dd' 
  AND (
    token = 'Ug6redHUZ2X5P57Xcj+6P8ELA0tctctxlJcy0sy19Pk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )