UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6fvnNvbFVEId9kCdIeeV9RDr5V6ItTddY96t3XWtOw=' 
WHERE 
  key_id = 'a821a78720d4144673d14e4aeedc9e1c295748af6ace56d5c09f7af8f8a0f260' 
  AND (
    token = 'r6fvnNvbFVEId9kCdIeeV9RDr5V6ItTddY96t3XWtOw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )