UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NGJxg+QnW7wTgdJdyOlyE8BocxEyLABea5Ak0YhwUho=' 
WHERE 
  key_id = '81ea00e03ea454b0008c909418a6578a6ceea7e216733856ba65a936a5be8dbe' 
  AND (
    token = 'NGJxg+QnW7wTgdJdyOlyE8BocxEyLABea5Ak0YhwUho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )