UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wji6Btgks0GmsbZDF9dwSJMooY9W4enV0oIa3cE/IeU=' 
WHERE 
  key_id = '902804a75925c59cc6e41dcd16e1c43c635af1ae2e15af701a8a8a687cc6cb9c' 
  AND (
    token = 'Wji6Btgks0GmsbZDF9dwSJMooY9W4enV0oIa3cE/IeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034