UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fp7kTmlD6soaAYzIdk5StH4fCzIAsH7ae6NlJkXzDHs=' 
WHERE 
  key_id = '50cfa65da33c4df2e639fad482d3365420caa3cb994ef5b009ff5eed49b37376' 
  AND (
    token = 'Fp7kTmlD6soaAYzIdk5StH4fCzIAsH7ae6NlJkXzDHs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )