UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dfG5tfLh/eXZEMgYwDIvlGWjQ7ut8CddQaWDWlBbMkM=' 
WHERE 
  key_id = '6c39752bccb4ac9f196675f155135ac6f9f9ffab0d244b50723a7a5e09db4658' 
  AND (
    token = 'dfG5tfLh/eXZEMgYwDIvlGWjQ7ut8CddQaWDWlBbMkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )