UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8Bh+hfSQdsItBSsavPq/pj2xcTUxbYTqs3wqprBlgs=' 
WHERE 
  key_id = '6793468dd038aee908e8763be54d5c230f7de3b2d8e2bc2c49552a3f5f06c841' 
  AND (
    token = 'g8Bh+hfSQdsItBSsavPq/pj2xcTUxbYTqs3wqprBlgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )