UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WMUWniGISsNHPCXk5m8tHUicoyNZqdfJ8S8sDBBhrw0=' 
WHERE 
  key_id = '18f15d74a846c8052374c2cbdb61eec21973526a194fcb10441a3cbbb2133197' 
  AND (
    token = 'WMUWniGISsNHPCXk5m8tHUicoyNZqdfJ8S8sDBBhrw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )