UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JZgx+hhqe9YHWA09YsjYGchucCU9BGIK15Y6VY/boyE=' 
WHERE 
  key_id = 'd281d6143f417ca43e1d7d99cd318aa2cfa0778c426ef1b33f015fdee22bfe94' 
  AND (
    token = 'JZgx+hhqe9YHWA09YsjYGchucCU9BGIK15Y6VY/boyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )