UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plCHK3O432YTqUGOEKM3gnfVblUfeb3mp91uZfi+IgU=' 
WHERE 
  key_id = '8b94a71fabdebf3aa479c7666c4e29ef98619c5351253db7f48dd75e0c1c9f79' 
  AND (
    token = 'plCHK3O432YTqUGOEKM3gnfVblUfeb3mp91uZfi+IgU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )