UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3LfRbYr5RmdPAJKPuuNmbk4OH+M478uz0WFwpZkvAtM=' 
WHERE 
  key_id = '988150f43149aff7bbaca113f385638ff59e216e0236213839e23dede6949f24' 
  AND (
    token = '3LfRbYr5RmdPAJKPuuNmbk4OH+M478uz0WFwpZkvAtM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )