UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KBPBnmdw7oZS37rmVWjsNfuMjBTx0PCo09pbMGpW6dY=' 
WHERE 
  key_id = '81133cd8574f6b2f5cf445524c19acbcd4322f083b7a22f4fbf2df5cdfdc27a3' 
  AND (
    token = 'KBPBnmdw7oZS37rmVWjsNfuMjBTx0PCo09pbMGpW6dY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )