UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njy35e38G4ShfZAVqFFhGez7DAynq+n0Q7F3HZkowIA=' 
WHERE 
  key_id = '399635e42ce3c500a370fe4c8e8a9aad03450cc1df759c427b8a3027504586ad' 
  AND (
    token = 'njy35e38G4ShfZAVqFFhGez7DAynq+n0Q7F3HZkowIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023