UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2FD1Z8QS/qBT4OquvsLKeHTyBcc/6Sn8jUGfWpXBedw=' 
WHERE 
  key_id = '3947593af493a6ce022526fafe8e1a5469cb5694394a9bdd915be5091141d295' 
  AND (
    token = '2FD1Z8QS/qBT4OquvsLKeHTyBcc/6Sn8jUGfWpXBedw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )