UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a9NsZD26pe/Ev5RDoRNbnUozDUnakaFSVKmd06TDSZU=' 
WHERE 
  key_id = '2d5d26f3b3c777f49035e43ecc2112c0f95322a2e34465999144c8311d774ab3' 
  AND (
    token = 'a9NsZD26pe/Ev5RDoRNbnUozDUnakaFSVKmd06TDSZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )