UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KY7BmHq5IgJ9yzwuvK5gTDlN66Xo2v9KCz6fnkoHYKI=' 
WHERE 
  key_id = '66ac61b2655967afc5a1941ef52d3e7fa79da1a5f7c1aeef44e604e09e06ae03' 
  AND (
    token = 'KY7BmHq5IgJ9yzwuvK5gTDlN66Xo2v9KCz6fnkoHYKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )