UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IAFFBGFaEE9W8aTCQTSbt6FMsxqy83XdL820QdoGJNc=' 
WHERE 
  key_id = '393db787e748434c8167f3c51fe4a599ab369d35a57bbdfefd7c70a8538c9d4b' 
  AND (
    token = 'IAFFBGFaEE9W8aTCQTSbt6FMsxqy83XdL820QdoGJNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )