UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mJFMVputTr2kiBnODYVmeWYIqYUbhdCX5l5DrrmOnOQ=' 
WHERE 
  key_id = '68d73e5250e18707628fb7954b0442d51260b1bb89bf3409d019728cfc831068' 
  AND (
    token = 'mJFMVputTr2kiBnODYVmeWYIqYUbhdCX5l5DrrmOnOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )