UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IdicGujC8/0HAiwo6ih7qYvlEUYe8v1cE+B/2Q2TzFk=' 
WHERE 
  key_id = '6c76ee2d8e7439a9e8c91d8302360113de1a3bf967f57dfb674716295005bf90' 
  AND (
    token = 'IdicGujC8/0HAiwo6ih7qYvlEUYe8v1cE+B/2Q2TzFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )