UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's2vZqkPuyBPXEWSD3qexUpM2ZV5CuUMx7+GLZ8edUXY=' 
WHERE 
  key_id = '39424b9579ab4f26da476f44fc96d1ec1a52eef07e69cbb3fd3188fba90fdde6' 
  AND (
    token = 's2vZqkPuyBPXEWSD3qexUpM2ZV5CuUMx7+GLZ8edUXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )