UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4yKZAW65Bma3MgnLHI1EHEtNJXEQ0mN60DMP8FUyvRU=' 
WHERE 
  key_id = '7d37171ae0336114163901f43895117ba313ce20565166305d1e115ff6238522' 
  AND (
    token = '4yKZAW65Bma3MgnLHI1EHEtNJXEQ0mN60DMP8FUyvRU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )