UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mdg/td/EWrYGQgl06YyC3SAV4+4J5pzBsXeM0fqZqgg=' 
WHERE 
  key_id = '7d32a26b6141c8da216358fafab68252fab6b241cfc1b1b1c9a860cddac58a79' 
  AND (
    token = 'Mdg/td/EWrYGQgl06YyC3SAV4+4J5pzBsXeM0fqZqgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )