UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LjElV3F2ls2oEe99RLXuAXdWqeJFn9fSwlYtWSc8ECk=' 
WHERE 
  key_id = '7fe2e00c6a990e34695e3e5992bf117787405716556af833812deb64a31a31e7' 
  AND (
    token = 'LjElV3F2ls2oEe99RLXuAXdWqeJFn9fSwlYtWSc8ECk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )