UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'we4SnInpiPUvLXkiHhGZj5UI1CSP3wvugNw1a7Ks6Zw=' 
WHERE 
  key_id = 'ad76138360d5a78d5022ad9943958a7f794bf24b55c1ac997a9632b7caf9dda2' 
  AND (
    token = 'we4SnInpiPUvLXkiHhGZj5UI1CSP3wvugNw1a7Ks6Zw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023