UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ej/U5eduRuTipjLFmYxud4TtxeRK/fa7hkjJaa6iIMs=' 
WHERE 
  key_id = '2a20ba996f0a69740a43da7cbc6c7863b436a1d186cda76fb5d7cc3d6ea10182' 
  AND (
    token = 'Ej/U5eduRuTipjLFmYxud4TtxeRK/fa7hkjJaa6iIMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )