UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iWvyMCFwStHLvWibw6N5bqksLUv8XgRAdEp4+e/p9mU=' 
WHERE 
  key_id = '97940675273e02b7f47983466463188a9f62fb5402bf3421740da3424933be95' 
  AND (
    token = 'iWvyMCFwStHLvWibw6N5bqksLUv8XgRAdEp4+e/p9mU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )