UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H3I6VWGPqC0v8JTmj4I2Ch6xn18RiXyO1YqbAQXc/DM=' 
WHERE 
  key_id = '13f60e412264a1169ba06834aca87ce09a4ff1b93c10b7876d792f2139088473' 
  AND (
    token = 'H3I6VWGPqC0v8JTmj4I2Ch6xn18RiXyO1YqbAQXc/DM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )