UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kS9c/0DWbzlK5KoG75ArA0MLePjqPsXJqq9fctDve40=' 
WHERE 
  key_id = '634051e9b9267e891a2a258f3feefe7b7495436c1cc9eeee67f3d8529bbc2646' 
  AND (
    token = 'kS9c/0DWbzlK5KoG75ArA0MLePjqPsXJqq9fctDve40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )