UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g/RsUgBbgCsksQh3J4f4djXWzcJi5hFHegWuAfwV3Zs=' 
WHERE 
  key_id = '51b2f99f4ae90a9b892b9853abaf860bf32eaddc197e29bf4a3f039765d0abbd' 
  AND (
    token = 'g/RsUgBbgCsksQh3J4f4djXWzcJi5hFHegWuAfwV3Zs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )