UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z6eeKVw5xgrzO+gnreCDLii05m52i0kf/I+Fj6WCkMM=' 
WHERE 
  key_id = '4f8cd9a7a12c736ead23b3b14f8fdad31d7a437fa95d69e602918744a51476ab' 
  AND (
    token = 'Z6eeKVw5xgrzO+gnreCDLii05m52i0kf/I+Fj6WCkMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )