UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nKRavQiWomb3eSNNKHxjDhgHru/bpb96CkBoVy5MtmM=' 
WHERE 
  key_id = 'cc2414d9c5212c3f0bca360e090dab700fbf903bfa23a65f7e099106ec0e1435' 
  AND (
    token = 'nKRavQiWomb3eSNNKHxjDhgHru/bpb96CkBoVy5MtmM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )