UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJiK1GkYAaJYAi8jMMQGDzROpEPxG1/rfE8x5bsFJSY=' 
WHERE 
  key_id = '6ac8154d2077262826d67614a927e5f71c4703588479f99b12beb630fab3c118' 
  AND (
    token = 'MJiK1GkYAaJYAi8jMMQGDzROpEPxG1/rfE8x5bsFJSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )