UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C+U3KGGWMkCQISbcdXaqIM8o9ImGoEgEseES96R9wJ4=' 
WHERE 
  key_id = 'e0c037cf5c20d26f308d63de849f141f64e03980c19722ebef554d19b9c4c27d' 
  AND (
    token = 'C+U3KGGWMkCQISbcdXaqIM8o9ImGoEgEseES96R9wJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037