UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vU4aXCVELusfSvzVgsBl5w7vGkfWHl3g3+CSyn3euuI=' 
WHERE 
  key_id = 'c27875769c950f40957bdba89c36d49aa65653a7422432918192b4e4e42420e6' 
  AND (
    token = 'vU4aXCVELusfSvzVgsBl5w7vGkfWHl3g3+CSyn3euuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )