UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+unRpnM0gzNHOqiHUWLKa4ThthUgz8Jq8LY6wAPSVc=' 
WHERE 
  key_id = 'b776765f9bd47c93243a2c32d97ac2ad64e82001d2dd0f3eeaec0d9f3806ab44' 
  AND (
    token = 'k+unRpnM0gzNHOqiHUWLKa4ThthUgz8Jq8LY6wAPSVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )