UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4ERN18/Lp7JQBqy+vT7SYLaJo42D2aKzC2gxjecJAU=' 
WHERE 
  key_id = '34b1d7fa988bf71184d2c752f9d251487d1426e467c9e309d31c373cfb0e5953' 
  AND (
    token = 'u4ERN18/Lp7JQBqy+vT7SYLaJo42D2aKzC2gxjecJAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )