UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uHos73dIG55sWnWY1hKdw3w8G/gQO1nmQc7enzXvmiM=' 
WHERE 
  key_id = '74fcbd5999baea57da1c16e3427e5d4aec0be9aaa100e13838f7066796cd2871' 
  AND (
    token = 'uHos73dIG55sWnWY1hKdw3w8G/gQO1nmQc7enzXvmiM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )