UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+/98Ha6vYRDGDrESw7As9z5GnA00ZGdpBuIUPDaQNE=' 
WHERE 
  key_id = '49dfcf8c4e5b82fb1665197a12325d83a5b5948dae28e0695d4486b43f55b39d' 
  AND (
    token = 'r+/98Ha6vYRDGDrESw7As9z5GnA00ZGdpBuIUPDaQNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )