UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i2bjNvI/4KdcngXEI6OlyEjGuDti4cvoI8Rf8tdYQmY=' 
WHERE 
  key_id = '562ffe9a7389b4a170734f268bd4516adce2a36e67090d6ceb45f25787cdf811' 
  AND (
    token = 'i2bjNvI/4KdcngXEI6OlyEjGuDti4cvoI8Rf8tdYQmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )