UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k0vr8ccTukij1hiUKx3lAk2lrrzNoYxgEBHSjceF2aA=' 
WHERE 
  key_id = '21308e561d44bb749578cac30a1d9afce2fe690bf5db1a586dfbabd4a34f93f8' 
  AND (
    token = 'k0vr8ccTukij1hiUKx3lAk2lrrzNoYxgEBHSjceF2aA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )