UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u27BuNJ6CvMtZmLoGNASAIi3W/tHeDmwpiwYtjcjnYE=' 
WHERE 
  key_id = '2c86f574e00af35e305c756988a3a62dc556fdf4e2f2d7b0d143fe43ba155834' 
  AND (
    token = 'u27BuNJ6CvMtZmLoGNASAIi3W/tHeDmwpiwYtjcjnYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )