UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LszC4OpwWaJyjaYHY/PPbKyIArJV9ekX0nId2Cok3LU=' 
WHERE 
  key_id = '51f49d1d5416f16cd1ca1f2d5dc821e82c759714e92b88b7542446bbb662364b' 
  AND (
    token = 'LszC4OpwWaJyjaYHY/PPbKyIArJV9ekX0nId2Cok3LU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )