UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LSMXRvYASVq1ed98phGVOvkrdvOpAksYkPoDM62DOQI=' 
WHERE 
  key_id = '6da5b6e52318b575076781e229a4b2ff90e3930098b72dce13d8aa810931307a' 
  AND (
    token = 'LSMXRvYASVq1ed98phGVOvkrdvOpAksYkPoDM62DOQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )