UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l1g0yqjwbDHhGvbZoljOi5hKLnfsyGEQpsV7HMBVJy8=' 
WHERE 
  key_id = '8caaf58bfc61898185114cf9321a4ef04b997799346abda946ff93676b315a47' 
  AND (
    token = 'l1g0yqjwbDHhGvbZoljOi5hKLnfsyGEQpsV7HMBVJy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )