UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E/w4gZTKGA9YFPZObVw/gY6UimwpwkN5xV1opz4Ah6A=' 
WHERE 
  key_id = 'ecd69673b7964849293f5f43df1f5d769803ec80865978b47c5a0bfd1d5b1fb3' 
  AND (
    token = 'E/w4gZTKGA9YFPZObVw/gY6UimwpwkN5xV1opz4Ah6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )