UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H3oup1GlwA8co4bCFrC9bkqh4gK+n6ohSmR7n9nDF1E=' 
WHERE 
  key_id = 'd64556426479329b23db8d0b98fe07ae4e74fad19de5bb7e2d6b90ba0c7287ac' 
  AND (
    token = 'H3oup1GlwA8co4bCFrC9bkqh4gK+n6ohSmR7n9nDF1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )