UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xdHBlBX/CGDWsYnQNvn1efJUYdJqlG2O2sEwLBa8bDs=' 
WHERE 
  key_id = '839ef40660fea21747d39f43ce7a102aae50146fd52f1eb019dbbcc411a781ce' 
  AND (
    token = 'xdHBlBX/CGDWsYnQNvn1efJUYdJqlG2O2sEwLBa8bDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )