UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S2bzXnUzmejwTSQ4K8vHmYSfxlFo4SSTf+GxLcKtR28=' 
WHERE 
  key_id = 'a1d657fd85bb193f404f046a89ebf507e64e45c82b9bd6f97b041f355db60838' 
  AND (
    token = 'S2bzXnUzmejwTSQ4K8vHmYSfxlFo4SSTf+GxLcKtR28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )