UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ln973uDBPTWjYFyuGaryMDQdcVBBldwau8iFbGtvm4g=' 
WHERE 
  key_id = '747893f2355cdcfcf23e111eda9d7a4556f4eb69784ac344d79d93023a2b7fc9' 
  AND (
    token = 'Ln973uDBPTWjYFyuGaryMDQdcVBBldwau8iFbGtvm4g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )