UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unuV6v3NRM1lGTgMuZqsw21BJZ4Py+o+dwSA4gAJtlg=' 
WHERE 
  key_id = '9176e2664b4b6185267f311aa202205a46b998048929125593cfa170027f255b' 
  AND (
    token = 'unuV6v3NRM1lGTgMuZqsw21BJZ4Py+o+dwSA4gAJtlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )