UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vMuVfq0wx+GwSKE5nA+Wrjja6EwmNYH5EnUWqmudzkM=' 
WHERE 
  key_id = 'e0ceae280e384c37c930e6b8874c58d492d6932891b0a5f1e4691f45c5449727' 
  AND (
    token = 'vMuVfq0wx+GwSKE5nA+Wrjja6EwmNYH5EnUWqmudzkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )