UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mnjjiQq8OUHAeK2+RgjL+45BMxI5MaU0FAoCjmaFIIo=' 
WHERE 
  key_id = 'e04495cc0575fec6fffb01d2b47e7ab35c1d1be8c16da991eec96bd26f6228eb' 
  AND (
    token = 'mnjjiQq8OUHAeK2+RgjL+45BMxI5MaU0FAoCjmaFIIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )