UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/w3u/e4bdspfFMo1rgiYUXBEa4byMQRnX8A43GnEeY=' 
WHERE 
  key_id = '634d3b503954a2176ce41ca7de26fe196a2332c5fd96d63b5d9a523ba9622297' 
  AND (
    token = 'U/w3u/e4bdspfFMo1rgiYUXBEa4byMQRnX8A43GnEeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )