UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mr/Pp43TSlb2jzd9U38zoHtCu+Dr7HKGdYv9R3ucVs4=' 
WHERE 
  key_id = '6ac976a2138e1b3b368c815dc7a481554da0c9963438924bdf0019cb59c8da9b' 
  AND (
    token = 'Mr/Pp43TSlb2jzd9U38zoHtCu+Dr7HKGdYv9R3ucVs4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )