UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6C4XIxTMhKjW/bcGSoWt49M3rT7005zcLWFJZX40DlQ=' 
WHERE 
  key_id = 'c2f53e1658f6ab157724283fdca5c11fb8fd67618db96dff26d8884314754e89' 
  AND (
    token = '6C4XIxTMhKjW/bcGSoWt49M3rT7005zcLWFJZX40DlQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )