UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FtWNh7qywNeQPa7cu5I5DtfpTxAF/xsvzspQcCgYuDk=' 
WHERE 
  key_id = '6834429e5c949d2acd5eeaf501b2ad55ddabf9f35c6584cca29e08662c572769' 
  AND (
    token = 'FtWNh7qywNeQPa7cu5I5DtfpTxAF/xsvzspQcCgYuDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )