UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qw6DtDqXx1K0m/Oj/KXUk3iAqZbrWkw7WyU3rtg0rUo=' 
WHERE 
  key_id = '897e9aebbf1c9381988a971cff25c30f959d7f61a677b94abc21a41956ada246' 
  AND (
    token = 'Qw6DtDqXx1K0m/Oj/KXUk3iAqZbrWkw7WyU3rtg0rUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )