UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fl6Hxpx8rl0uivn9WH43DkoOx3PWWbJsOvO88bCay94=' 
WHERE 
  key_id = '8f1086916ac4147f5ae4bf1c686e55793d280ce9a0d0e28a28dcfd2cbdf12798' 
  AND (
    token = 'fl6Hxpx8rl0uivn9WH43DkoOx3PWWbJsOvO88bCay94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )