UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2K3Tm54oK0njXAeFVlkCbn8cYBaLXMEBjDLD3vKvTlE=' 
WHERE 
  key_id = '3e91c26178b56486f4d0681e515d996bc211c82ffeb80706c3d18df05fcb4a93' 
  AND (
    token = '2K3Tm54oK0njXAeFVlkCbn8cYBaLXMEBjDLD3vKvTlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )