UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zkcBEu7nkW78U8b5AucTL/bpDysynRX2K9qKupsXX7k=' 
WHERE 
  key_id = '7948aa06472b5648957acb00a796658d2d61005a6e7e22aff13f55562f445269' 
  AND (
    token = 'zkcBEu7nkW78U8b5AucTL/bpDysynRX2K9qKupsXX7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )