UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6L8JcqguAHCeN4adZTqxYHirpfT1x0hUJ7xWkd1wms=' 
WHERE 
  key_id = '8a661678325869b1a6fa011c42603794cf953ded429e85ddf04e2f28fced3b4a' 
  AND (
    token = 'a6L8JcqguAHCeN4adZTqxYHirpfT1x0hUJ7xWkd1wms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )