UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rwjt+0bQlFdlgtqw83wQ6WxpQFSJPYrZdZZ3BTou/G0=' 
WHERE 
  key_id = '834a3057d10402cf54f52e9b92cefb015ab462b8bb50ee52ccf368af201dbab4' 
  AND (
    token = 'rwjt+0bQlFdlgtqw83wQ6WxpQFSJPYrZdZZ3BTou/G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )