UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xsLfVijGj/zabsD1DjM+d5N5877uVAa/q4RFK/1NdZM=' 
WHERE 
  key_id = 'a4797529e53a221f41e571f91c46db7d81abbb0fc11cceb01d0ad2b362095711' 
  AND (
    token = 'xsLfVijGj/zabsD1DjM+d5N5877uVAa/q4RFK/1NdZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )