UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I/bthwqYnw4H6y8wBpgCqBE+D1djbUNDNrkMvwV2dMo=' 
WHERE 
  key_id = '2ef6d1a5a14a8f83bd840b140ee1a98e646df7fc937e0ed6c6ca40f928e58701' 
  AND (
    token = 'I/bthwqYnw4H6y8wBpgCqBE+D1djbUNDNrkMvwV2dMo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )