UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wDCqKqIArKT2+NQBtZgzRFi7NgRJoTz61OcH61SpB6Y=' 
WHERE 
  key_id = 'b81a97e1f11b9a954d37a6202c994d98f5654463d0c62b58458fe6a6cb78a6b9' 
  AND (
    token = 'wDCqKqIArKT2+NQBtZgzRFi7NgRJoTz61OcH61SpB6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )