UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '75fm7qieZuwJN71ykJwxW/XtGqgWhJSs8cP3Ju8P9pc=' 
WHERE 
  key_id = '852e5ac1dd849dbf3242c6d25cef661d9d1b25f151f900b057e78708289a4677' 
  AND (
    token = '75fm7qieZuwJN71ykJwxW/XtGqgWhJSs8cP3Ju8P9pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )