UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yeqc1iaOh6rFnzb4OH2oTA4wC3tadPmR1n71lmzeU2A=' 
WHERE 
  key_id = 'a4ad162b459d56f35f9b4c152563a2febc8e47ec426371d8a790e0fd37a422a3' 
  AND (
    token = 'yeqc1iaOh6rFnzb4OH2oTA4wC3tadPmR1n71lmzeU2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )