UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mlIAolwnFIAtSQ1MUAnvLUchVI1Vs/gF5aC6u+kF4mE=' 
WHERE 
  key_id = '6a81976c3c4bcd9d94cc12eebc265c4ea6a6aea47c82472ebcc1b385fa3ec654' 
  AND (
    token = 'mlIAolwnFIAtSQ1MUAnvLUchVI1Vs/gF5aC6u+kF4mE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )