UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V+6w3mKz+YY4KyguxuSc7n7/40BuE2mBq0XxTr4Cbks=' 
WHERE 
  key_id = '42ed29f0d634ed3337160e3d97874e14f6c08f64763d2c787eb431c4fb28a95e' 
  AND (
    token = 'V+6w3mKz+YY4KyguxuSc7n7/40BuE2mBq0XxTr4Cbks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031