UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sxo/Xd/lOoT1uuohjnYEyzNSVZ1cFuG4konGNu8QHTY=' 
WHERE 
  key_id = 'd6b40e64c4af636fed8949ba9e78d857578387eec43b8dc11a6900bc83b2f14f' 
  AND (
    token = 'sxo/Xd/lOoT1uuohjnYEyzNSVZ1cFuG4konGNu8QHTY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )