UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6CwuRue5w/jlrvlcxcGKeYYJo2wVnsqu78sA66Tjpfk=' 
WHERE 
  key_id = '91b0fc77db5bdefb813ea88a291819ed202b0ad209170af616cb0f28b931deb2' 
  AND (
    token = '6CwuRue5w/jlrvlcxcGKeYYJo2wVnsqu78sA66Tjpfk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )