UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Rf49V9zw2iUXSu2BIN5Nuax5s6gPMrjWqqaRHYlyRA=' 
WHERE 
  key_id = '734a5a6c8134f232445f7a303af1f396d8f940cda96447ad459fa8b0fcd3e882' 
  AND (
    token = '8Rf49V9zw2iUXSu2BIN5Nuax5s6gPMrjWqqaRHYlyRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )