UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nN2/HBk1bZCSk20n4fk0TfEadHrVIUR9d7dYyE8iT/A=' 
WHERE 
  key_id = 'c068044f02cf3ceefd0b475b6f1797060ddb403d4405b78f9f80e3d056813c1d' 
  AND (
    token = 'nN2/HBk1bZCSk20n4fk0TfEadHrVIUR9d7dYyE8iT/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )