UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xg4iYFrgJEWeO6ENSBZ/G3U7qParT+khhARs97oPEPo=' 
WHERE 
  key_id = '20dcc4a23886897a5f2a20265e9edc169b911d62a4efa045b9e392d06da042a2' 
  AND (
    token = 'Xg4iYFrgJEWeO6ENSBZ/G3U7qParT+khhARs97oPEPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )