UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fJ3zwJkzhGy4Q1rqSKxjOdndOhuxVvnh694WLKxZxko=' 
WHERE 
  key_id = '21e2677603ce90893b4b671c6e2840d3bad4fa6721fb25720a863bf5c609f236' 
  AND (
    token = 'fJ3zwJkzhGy4Q1rqSKxjOdndOhuxVvnh694WLKxZxko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )