UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'vrdOIoxwm7nb6gg3/1NT0NX9yZzwpvukoReWguwkI+U=' 
WHERE 
  key_id = '9aefd3ca5df5072744a795299b4874e7d99321a440d27c162df1d1d60008e0db' 
  AND (
    token = 'vrdOIoxwm7nb6gg3/1NT0NX9yZzwpvukoReWguwkI+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )