UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUUrDbZIoOAiG499oOYjBa7SiKKoLuG2sj9g+chVqjk=' 
WHERE 
  key_id = '301d53001d69860e447870d661eeda7dbe991254335929ca14c1a1f1b468ed14' 
  AND (
    token = 'gUUrDbZIoOAiG499oOYjBa7SiKKoLuG2sj9g+chVqjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )