UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dLK2VIKIOb0d/Sn6wdRvRugaXsSoVbbcFQxEifsOcaE=' 
WHERE 
  key_id = '18bc4312d222b2758a32eee095b85ce28845598b7a8a97fe3e4072242c6702d4' 
  AND (
    token = 'dLK2VIKIOb0d/Sn6wdRvRugaXsSoVbbcFQxEifsOcaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )