UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VOewEfbE5AQmaEHFA9IWBtu93C6OrpLLCf1+b6Pabyk=' 
WHERE 
  key_id = '50b5833b42083132c1df4e36c42ab47877c5b18f32fb558d29c3754c1ff0a26f' 
  AND (
    token = 'VOewEfbE5AQmaEHFA9IWBtu93C6OrpLLCf1+b6Pabyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )