UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dwHTxnKCGsip4LdtXOCRznhDffRvqss+2vlCm45Mis0=' 
WHERE 
  key_id = '6d19c57c53ee79362e103ffaecce3fb7fb9b4b832f243333035c72380c61bd81' 
  AND (
    token = 'dwHTxnKCGsip4LdtXOCRznhDffRvqss+2vlCm45Mis0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )