UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pEGN47DuW/SsIEwj5PcqPZ6BnCs3rIVKSwt/PPaxQCk=' 
WHERE 
  key_id = '6cfbc9160c06402cea0188af9c97d53883a3434e106299748297c6280298575c' 
  AND (
    token = 'pEGN47DuW/SsIEwj5PcqPZ6BnCs3rIVKSwt/PPaxQCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )