UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UP8iAvWeBqxP6/vHoXjyfm9zBlbOW3qFy1UdgcNDKSY=' 
WHERE 
  key_id = '6d9c3e59fa848ea01f539685cf69d23b0662d42f69779f7d2633d170a8a966f2' 
  AND (
    token = 'UP8iAvWeBqxP6/vHoXjyfm9zBlbOW3qFy1UdgcNDKSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )