UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x2qmHzihkrPhPI9FAYKhGmJC0hyO39JUMf8cwK1DEeQ=' 
WHERE 
  key_id = '1532f5625f04eef3f4233e7e7d5107e60fa95c9c93401fae47359b3211a506dd' 
  AND (
    token = 'x2qmHzihkrPhPI9FAYKhGmJC0hyO39JUMf8cwK1DEeQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )