UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6uzPPEmUFzqXlF35ACrPVnxdBN4pCOqWfbkM46qMMtA=' 
WHERE 
  key_id = '045f479082e22721f5cf786e76f4e2ef61bc32c1af2067bf428135d2149524f0' 
  AND (
    token = '6uzPPEmUFzqXlF35ACrPVnxdBN4pCOqWfbkM46qMMtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )