UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vGh5XepqoG0j3Ew4YO5sNS+aloXZuX3oaaK74H76aT0=' 
WHERE 
  key_id = '4d838a661ca0e598c45d9e4aed66f97a65a18d360d73e03a5e485eb5da09896a' 
  AND (
    token = 'vGh5XepqoG0j3Ew4YO5sNS+aloXZuX3oaaK74H76aT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )