UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I//chvrwvq+oFoiIa1QJC9LYbTtwNrfIREmvyP+pUFg=' 
WHERE 
  key_id = '6b31e7ca5ab0208944c3c8ea161b7a49634fac6e20eadf6a5f3c1bb35c828694' 
  AND (
    token = 'I//chvrwvq+oFoiIa1QJC9LYbTtwNrfIREmvyP+pUFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )