UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgyLZrW0sgJcyzAM7Ek4xpq776hw0AUaw2me6ot8EcM=' 
WHERE 
  key_id = '483c2490ea3dcbe28e0cf1b5199b8d13a758e15a2d403d2ae1ef1f8a28a70c0a' 
  AND (
    token = 'MgyLZrW0sgJcyzAM7Ek4xpq776hw0AUaw2me6ot8EcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )