UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '39JLhH0U8BOHR1w3iOIxWqqlQpXj5r10GJD3QgaTW7s=' 
WHERE 
  key_id = '1c592af1bff1a3ab0deffad539c60bd31357ea242a84adc5862b822d33bccba2' 
  AND (
    token = '39JLhH0U8BOHR1w3iOIxWqqlQpXj5r10GJD3QgaTW7s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )