UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'khVwf+r9Seh13FfmLteKZziAsqWk6khxQtsQdm8JhBw=' 
WHERE 
  key_id = '53d96d5cd405f62051c671c6025a8affc4ad67551d8caa9c9ad6285bcf7699c0' 
  AND (
    token = 'khVwf+r9Seh13FfmLteKZziAsqWk6khxQtsQdm8JhBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )