UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cXBPWokkmLsCCeZR5maCttpImrnPB4VvvGoN3IljutM=' 
WHERE 
  key_id = '6ff9a7d7947b1f54d38aabe6e30e3976e7b59ea5c9c322ad9a8496f5b441551a' 
  AND (
    token = 'cXBPWokkmLsCCeZR5maCttpImrnPB4VvvGoN3IljutM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )