UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xhDhWN/KJQQX3tXHpR1w/nPTuzhp1qPtVCpydvci5Is=' 
WHERE 
  key_id = '8acce468be2da51247086f009b3699565374fb242b7e61e46b4da7a7d063c925' 
  AND (
    token = 'xhDhWN/KJQQX3tXHpR1w/nPTuzhp1qPtVCpydvci5Is=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )