UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euosBxOzQdycFtVJMkBhlESkdIw+x3Lkjw7ICSIDNq4=' 
WHERE 
  key_id = '2c8f3856515d87949bdae658b25f09fd9f33a1e154259d2db6e442739ab3c555' 
  AND (
    token = 'euosBxOzQdycFtVJMkBhlESkdIw+x3Lkjw7ICSIDNq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )