UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/gx0BSys+kkrJgZUMHk2tPBAHAaZj1KTkZfHiMxAfKE=' 
WHERE 
  key_id = 'a6fcb1fc4dae9d89655007690005c634f31b79766ffc7a1917221b7fb8d364d4' 
  AND (
    token = '/gx0BSys+kkrJgZUMHk2tPBAHAaZj1KTkZfHiMxAfKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )