UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fyncGM4/6IIh5DjyRUg0MP5TPjF4wYxgrEeq5bnAftc=' 
WHERE 
  key_id = 'e6baa6e38ccc0572264d83dcb5026de265231e238298c71ba11c3967dc673019' 
  AND (
    token = 'fyncGM4/6IIh5DjyRUg0MP5TPjF4wYxgrEeq5bnAftc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )