UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HJu6NlLEd0Py43KJKHFU571Nj6qjkPdCSUFVfY6A8SE=' 
WHERE 
  key_id = '3503b21e6e7a60dae56fa74afca7125a4c8c1c7823a89eab83a27f1d2572df76' 
  AND (
    token = 'HJu6NlLEd0Py43KJKHFU571Nj6qjkPdCSUFVfY6A8SE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )