UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'welOVfP4Fyd+2kQLmh5XtCw2KZPJCvvjiqftBD/PPuQ=' 
WHERE 
  key_id = '968c316738bb7e7eee8a350dd71aa9c64ce7920b16d9d4f0d7a782b278cfa941' 
  AND (
    token = 'welOVfP4Fyd+2kQLmh5XtCw2KZPJCvvjiqftBD/PPuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )