UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sixVbTFR+ZdJCrZrQ6ZH0nE/MgeXPohiT1zRbESBQyQ=' 
WHERE 
  key_id = '20a971b9b84b295be7fffc7feac1e8a9c8fb168e22403ca62c0cd76b74503843' 
  AND (
    token = 'sixVbTFR+ZdJCrZrQ6ZH0nE/MgeXPohiT1zRbESBQyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )