UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'amMG0cpiz5VH3elqEHa5pGdM3ahCtdEuLsSLnsqoKlg=' 
WHERE 
  key_id = '84ee339c5a173852bb8610f5795974a00b5e8ce42eb34c9881011d09dc826a0c' 
  AND (
    token = 'amMG0cpiz5VH3elqEHa5pGdM3ahCtdEuLsSLnsqoKlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )