UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IzXlrxDBAj8Qf49mVCQdWEe27v3c62zMNJGWnAhUTPU=' 
WHERE 
  key_id = '28527ac30a4214104a964f29586a28ffa78ba7ec88b5bf856b3020c5c31b47f6' 
  AND (
    token = 'IzXlrxDBAj8Qf49mVCQdWEe27v3c62zMNJGWnAhUTPU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )