UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fvS4GyDElI+/ShIz7wZh7iOle9DSIKsOWLAFkLW33TI=' 
WHERE 
  key_id = 'f0423858218dcdd785df2461f45e6187f2156c2f50297e04a5cd8bbfaa298455' 
  AND (
    token = 'fvS4GyDElI+/ShIz7wZh7iOle9DSIKsOWLAFkLW33TI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )