UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wRbNWJeasoa+qSqY59PAlsGt2H9bHZcBlBcu8cEPexc=' 
WHERE 
  key_id = '55268cc068f76d7ebc8b6520ee186858e9b511ddeefc788434f15294e76c8130' 
  AND (
    token = 'wRbNWJeasoa+qSqY59PAlsGt2H9bHZcBlBcu8cEPexc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )