UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BjcY34IDVXYxp7kLRysIWqx6fJyou7g+tUKL89OWEQc=' 
WHERE 
  key_id = '3dbe9957ecd538a48d8a49fe0165f59ed2aee150a8ec2be018d521b280963bb9' 
  AND (
    token = 'BjcY34IDVXYxp7kLRysIWqx6fJyou7g+tUKL89OWEQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )