UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Re4QHn76b2ctbZ3uWM2yjTGa2tVtrIvcD4O07KlMd1E=' 
WHERE 
  key_id = '847ea0be301124849c88056042c5bfd4604d1ab41d3cc708327c980ee54a0483' 
  AND (
    token = 'Re4QHn76b2ctbZ3uWM2yjTGa2tVtrIvcD4O07KlMd1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )