UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51B7RZjGssKlevmO8s6erssKLk+B6tO+ZrEvqa9xtCI=' 
WHERE 
  key_id = '2390bb4aced8933a44941d8104b9e4aafdedbe40a3df29319f3f02a3cd426f49' 
  AND (
    token = '51B7RZjGssKlevmO8s6erssKLk+B6tO+ZrEvqa9xtCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )