UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4k6q5/ZmQS1Eu9AqeA6tHUaWhNjTYgOTW4IEZ2sDGWo=' 
WHERE 
  key_id = '8e61d8d97753a40b313fda9e5595b800f3a1d747f2ad12a62bd8d1d587af8fc5' 
  AND (
    token = '4k6q5/ZmQS1Eu9AqeA6tHUaWhNjTYgOTW4IEZ2sDGWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )