UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WEW0nFA5Ju1AgOIB5XP2aoBO1EUqI/IHHJARADH/5bc=' 
WHERE 
  key_id = '921fe43c9e0a9a489dab8c5daeb13a16274a23eba14e830b17845ffe5f55a3b6' 
  AND (
    token = 'WEW0nFA5Ju1AgOIB5XP2aoBO1EUqI/IHHJARADH/5bc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )