UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eLw5LCFoTt1kCKKAQlFS0K4JDGB2wxRm+SsKBzTlFsI=' 
WHERE 
  key_id = 'f5889676e9ee2b0d9c58f32cadfdd87e6d96b4f24bd75818bdb5944376cfc0b8' 
  AND (
    token = 'eLw5LCFoTt1kCKKAQlFS0K4JDGB2wxRm+SsKBzTlFsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )