UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm+TxA9qTEwawdnvCzha4tq+WC+oVbLR7L5g169udl40=' 
WHERE 
  key_id = '7407112f38bdfb4559ca3af2f9fa3a3d829d61e83d9b88a29d1f71e19e27823c' 
  AND (
    token = 'm+TxA9qTEwawdnvCzha4tq+WC+oVbLR7L5g169udl40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )