UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tex03DV/qCKx04bSZQtSNgqu2irdXqZHLXBRDmZt8y4=' 
WHERE 
  key_id = '21fb8d5ea1a2578ec36f7c1d1701c5840f4e22b8ff6c7997a813b63435114279' 
  AND (
    token = 'Tex03DV/qCKx04bSZQtSNgqu2irdXqZHLXBRDmZt8y4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )