UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KpX3RGf7cCg5szQgNeHbYkF/ZUlHOxNCrJZjiBKJjvI=' 
WHERE 
  key_id = '6e9c51e20aa42b5ececa2f4488c7a481c1eb0e6217c6f816d172deb34bac6f2c' 
  AND (
    token = 'KpX3RGf7cCg5szQgNeHbYkF/ZUlHOxNCrJZjiBKJjvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )