UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ygygfGL79id/emA7kQFp9ElJ0gDnDGf7ihihndEckwg=' 
WHERE 
  key_id = 'cc13d70d67a12b9e20d4b8fb0af05873b1fc1292c0db0bc2bc7c4c2b5d5718af' 
  AND (
    token = 'ygygfGL79id/emA7kQFp9ElJ0gDnDGf7ihihndEckwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )