UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ojvnfZNfF2xrbmu2dNsemFAOaH1IssMsSPVKyqU4v04=' 
WHERE 
  key_id = '9916cd76c7ccc0c96d3d1a64f50a3a28c136fb4d5060a8f6ff35316b17dd8d56' 
  AND (
    token = 'ojvnfZNfF2xrbmu2dNsemFAOaH1IssMsSPVKyqU4v04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )