UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Pof+x/6e2sReZ6YPiJvNHx4ibHjs5jauO6fkoD3NVI=' 
WHERE 
  key_id = '2a93a5788866af08abc36cf24262442b56f560e1275634857ce3ee53deaf9c19' 
  AND (
    token = '/Pof+x/6e2sReZ6YPiJvNHx4ibHjs5jauO6fkoD3NVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )