UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mj4zXUOs0hijeyqqliqo+oX6oH0RaiOV9AqdiOfFVjI=' 
WHERE 
  key_id = 'a6b01ca705ac72898ef95f7e30cdb76a9021703d59b4c917166f349ee601d739' 
  AND (
    token = 'Mj4zXUOs0hijeyqqliqo+oX6oH0RaiOV9AqdiOfFVjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )