UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z75hS8SUQfFsTvFoO8pvXHystLkl2ZZxGsDnI9gDvqg=' 
WHERE 
  key_id = '256b430d4d64215a394524c0deb25cbb245b004d0e6dd92700e588ea7cd7f661' 
  AND (
    token = 'z75hS8SUQfFsTvFoO8pvXHystLkl2ZZxGsDnI9gDvqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )