UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RAOm+W4vKkY8dKZoN4l/bX3ScaYM9iLEwNJwncfrMF0=' 
WHERE 
  key_id = '8d6e8a1ed3ba79d886845b061cff4e622b778891f0694e6d5e591169b9f33286' 
  AND (
    token = 'RAOm+W4vKkY8dKZoN4l/bX3ScaYM9iLEwNJwncfrMF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )