UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2kuj/0QO9CWpkO/UHk2BgwCfYpGLZL75ZEbcp/1fZM0=' 
WHERE 
  key_id = '4dc26cba9879933bdc499ed70120d41630b24ace9ca79358d690c008ebacfe19' 
  AND (
    token = '2kuj/0QO9CWpkO/UHk2BgwCfYpGLZL75ZEbcp/1fZM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )