UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'li3b8JwZbyXrfMKriladX9r6+AuTtnF9gEvWuyXKDbw=' 
WHERE 
  key_id = '6c276a3504cf19e99852ddac87750d963e6ba5c1b9f3d7448101c4323dd6d31d' 
  AND (
    token = 'li3b8JwZbyXrfMKriladX9r6+AuTtnF9gEvWuyXKDbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )