UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8udjaJYQKuaf+DQtVeugIPAeO/sg3oC4qg91/10C84=' 
WHERE 
  key_id = '2673f6e879f52cbaa5233235097bfa75a36e6e415ab9c7d1ef92cdda3ddae773' 
  AND (
    token = 'g8udjaJYQKuaf+DQtVeugIPAeO/sg3oC4qg91/10C84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )