UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZrKBScRklmyXrrs6b1s/32ah9DKKmE87odDzeLy7aIU=' 
WHERE 
  key_id = 'dc242c5f2850f19e1c48572262fc3ea6ef67fc8b71a719c1a43e9e5990c167b2' 
  AND (
    token = 'ZrKBScRklmyXrrs6b1s/32ah9DKKmE87odDzeLy7aIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )