UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rz5B3sDhDsCJqEjJEkmSHYmaQgHqZKJri5rSir0S2M0=' 
WHERE 
  key_id = 'e18d6de3d97dd489fd52732ccaf7ae545714f34f831f5d6496a61198a6e6a388' 
  AND (
    token = 'Rz5B3sDhDsCJqEjJEkmSHYmaQgHqZKJri5rSir0S2M0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )