UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Af2St489l1zJVEUxZwhGInSnYQ8FIy7/hpEct0FVvT4=' 
WHERE 
  key_id = 'a14de1f619aa24fd8605beeff93aba357105e8f7af0b6a92866b347de0d48899' 
  AND (
    token = 'Af2St489l1zJVEUxZwhGInSnYQ8FIy7/hpEct0FVvT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )