UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ttrVVF3I7EIZeOUiY6qHW7KNJRNZu2w6kYvYfW5ALhk=' 
WHERE 
  key_id = 'b6fd0c853fc9995accccbe1d402f8cc8126272245b7dfbc528a3d399da275946' 
  AND (
    token = 'ttrVVF3I7EIZeOUiY6qHW7KNJRNZu2w6kYvYfW5ALhk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )