UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MfQTH6sQUwWxS24LNYrypKiBX0kY1a2PVS8Z2qAumiY=' 
WHERE 
  key_id = 'd4b276bfc17908a4f1b063631a9b458f3937fe38510e6194af85795b16a300c3' 
  AND (
    token = 'MfQTH6sQUwWxS24LNYrypKiBX0kY1a2PVS8Z2qAumiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044