UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KylVCyPj1FzbEtGpBy+NXOyi8vsucnkW/g87MaXx1/I=' 
WHERE 
  key_id = '2a3b5c2549f69ead89df37cb94fe857543ff2dafa92f5706f9b403f4616fcfa3' 
  AND (
    token = 'KylVCyPj1FzbEtGpBy+NXOyi8vsucnkW/g87MaXx1/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )