UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3mkl0jZq9rtYHUyAd1dmFE6jILw2PVveTNy5yiRmpew=' 
WHERE 
  key_id = '15d66d44ba418890de2e34f131f44d336ddfcac648a79f98dd8ed1d83c928b49' 
  AND (
    token = '3mkl0jZq9rtYHUyAd1dmFE6jILw2PVveTNy5yiRmpew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )