UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cfXnqm5Pa8MkAn4NTIngomWR1qmRqMxlWUIwaVIabmI=' 
WHERE 
  key_id = '6a9875dea16725afc39e1e5b1a9b6835efabd26943ed3829a7187c081a8440b0' 
  AND (
    token = 'cfXnqm5Pa8MkAn4NTIngomWR1qmRqMxlWUIwaVIabmI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )