UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V41CRfxP6nQqx16S8GGe7hVCkdxjrubT4tTMBjZW3LE=' 
WHERE 
  key_id = 'ec951532844c3308e9a3af86c6505a24a22f9437468d029f32345c670bfe9d0f' 
  AND (
    token = 'V41CRfxP6nQqx16S8GGe7hVCkdxjrubT4tTMBjZW3LE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )