UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nMK1NX0NonLUGNCFIjbTZqfGp5aoqQ5IiyrjJAQB7k0=' 
WHERE 
  key_id = '83f7e2e3cf0a9cadfa0444913f60e8433f0df43dbc8344720971bdbd237b1f5d' 
  AND (
    token = 'nMK1NX0NonLUGNCFIjbTZqfGp5aoqQ5IiyrjJAQB7k0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )