UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kjtc9xeYOO8dU+E/jmATRYWp0TVyb2hrAe2RaajwtoM=' 
WHERE 
  key_id = 'd4bc038710bcbbd210f01ab9cca1020d5d8018282cb3dd4117f064ae3bd41495' 
  AND (
    token = 'kjtc9xeYOO8dU+E/jmATRYWp0TVyb2hrAe2RaajwtoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )