UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WPqrJVLoHQqG4W0t4uIsFlXxZ8kcYQHcoZ5SCcEAeZg=' 
WHERE 
  key_id = '764eb3528cf95b38da93d4c55b91dcd7421b636b87484a01ce92c528c4110977' 
  AND (
    token = 'WPqrJVLoHQqG4W0t4uIsFlXxZ8kcYQHcoZ5SCcEAeZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )