UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3JsBtDRT3gazV+JzGDBkK79ZOw2uKUZ6q1sX+cjdqZM=' 
WHERE 
  key_id = '5c29929d0c0284e587dc313d3f12a171b772be1ef709b0b7a21f35360291c54d' 
  AND (
    token = '3JsBtDRT3gazV+JzGDBkK79ZOw2uKUZ6q1sX+cjdqZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )