UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8/uzFzNowfXOZevtzH19CYZrM6PpOIejjxkUKLoD1c=' 
WHERE 
  key_id = 'b6a447fff3f617d900096873eff5bb1ca0e0036db316e11f9d41f68ff699d831' 
  AND (
    token = 'u8/uzFzNowfXOZevtzH19CYZrM6PpOIejjxkUKLoD1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )