UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qS6L2Rhp9Sc5jK2NwdecPcFZjPQMjwvE+my9eRE5ChA=' 
WHERE 
  key_id = 'eef042e4b983a20873db978a1e3e969dec6a863ebaf72333287d5c78f6fec8f6' 
  AND (
    token = 'qS6L2Rhp9Sc5jK2NwdecPcFZjPQMjwvE+my9eRE5ChA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )