UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rvVMrpB7tN3n86zjjwImkfypQRo1fIRxlzmHoFJUIRs=' 
WHERE 
  key_id = '651d24bfea991caf0ab988bdd0d395be87f0d36c661497b59bd6b9181070f4e1' 
  AND (
    token = 'rvVMrpB7tN3n86zjjwImkfypQRo1fIRxlzmHoFJUIRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )