UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rnLKBcD6yV+WBdc/NjIaQqbBfjQIzYjc0GqSgKaafPo=' 
WHERE 
  key_id = 'a99818011b78c557009dd33c660d7a90a31348816fe77b0bd43dc6412f9c58b4' 
  AND (
    token = 'rnLKBcD6yV+WBdc/NjIaQqbBfjQIzYjc0GqSgKaafPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )