UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3sYyQkrYMg2vnh1yAT55jlT3U55vO6QkRv7WvLr4TDA=' 
WHERE 
  key_id = '259497ddce783935f01b8b0f5b3391dda949dce6df1a598d5a08be03471d590d' 
  AND (
    token = '3sYyQkrYMg2vnh1yAT55jlT3U55vO6QkRv7WvLr4TDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )