UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'axt3fMhiH6EgSHFQ3OPDqlYe5QIb0YHLdxlTL4mjSgs=' 
WHERE 
  key_id = 'ae2a5689973aed6c289d888fa310fee7c157a23c7c24c14dc1a2811bd31790ee' 
  AND (
    token = 'axt3fMhiH6EgSHFQ3OPDqlYe5QIb0YHLdxlTL4mjSgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )