UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJFVKL0gK7OQ0Pvb6inn2SJH8JIuKVvZ+TVz5zPBY5k=' 
WHERE 
  key_id = '98aca45355d5fd40fd2f3f3ecebb684ab6d758fece57b282176d518638e5d953' 
  AND (
    token = 'MJFVKL0gK7OQ0Pvb6inn2SJH8JIuKVvZ+TVz5zPBY5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )