UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ca41cqbguLEi0WhzohuL2LNNd2gvFkvWgw6GdtsaxtE=' 
WHERE 
  key_id = '4ae608fb75d1b29eb4d0ac32b0f60351e30a00b1499501d035dfb9f99d0abbd5' 
  AND (
    token = 'Ca41cqbguLEi0WhzohuL2LNNd2gvFkvWgw6GdtsaxtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )