UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2yH4jNac+TEbf0noUXw0cYwXliisxoD+CRSHZDnCsgM=' 
WHERE 
  key_id = '81b8a258d0155a7bfc7b164d8376e56d0c6b1d7404b9db660b65e29448ebbffc' 
  AND (
    token = '2yH4jNac+TEbf0noUXw0cYwXliisxoD+CRSHZDnCsgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )