UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Km6Zb1NcyFTJxMwNOkUtQisSxVbir/Z7dirXWD6ETXI=' 
WHERE 
  key_id = 'cd76831bf294a64479cf451d0118cc04a50e9550eee1b5a9f0b10b257a011b94' 
  AND (
    token = 'Km6Zb1NcyFTJxMwNOkUtQisSxVbir/Z7dirXWD6ETXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )