UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x6SJy/2+xYP9Bgqt6VVb01Og7DjhCq7BEsGZbQpybbU=' 
WHERE 
  key_id = '461e3e17db3cc36f6d87d60e0a3609815b0395beb5948bd635227ae8c49312a3' 
  AND (
    token = 'x6SJy/2+xYP9Bgqt6VVb01Og7DjhCq7BEsGZbQpybbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )