UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mf8oWWD/jXRxwJr1QkN2YvkIMFymOeseA7BMh7IUSPw=' 
WHERE 
  key_id = '14b48e81f98546aea75fdc4f99e10082ebc727a7436bba9babe79483dab2fd24' 
  AND (
    token = 'Mf8oWWD/jXRxwJr1QkN2YvkIMFymOeseA7BMh7IUSPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )