UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8F6FuxXhd7DXM85GfNlL7r6ZErCPNYiBVZwbiXQ5DZE=' 
WHERE 
  key_id = '183994f34a1aa7e9a507fbe9825940164a293196a7c6a14a731c29cc8fdb54a1' 
  AND (
    token = '8F6FuxXhd7DXM85GfNlL7r6ZErCPNYiBVZwbiXQ5DZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )