UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xtZzU+2FD+0oEBkn/S1vqwwgdXhlnQWRDV++nopeeRM=' 
WHERE 
  key_id = 'b53a39d2c7efe4e9102eab0ddb3763c0870a1bbc73356c8278d36e9b37dfdd53' 
  AND (
    token = 'xtZzU+2FD+0oEBkn/S1vqwwgdXhlnQWRDV++nopeeRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )