UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lWRnOd7STlgDtFTjAB82PgOQdz8fdSwoefm2xqn/Wjo=' 
WHERE 
  key_id = '542ce9878d0765fb37fc697a8cf62fb7934699820829c90e9907b8bfcd9c169f' 
  AND (
    token = 'lWRnOd7STlgDtFTjAB82PgOQdz8fdSwoefm2xqn/Wjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )