UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fqPbmJHI/KSgScS1mSGRvRxsSD/x37pHAcgV+U3zNkc=' 
WHERE 
  key_id = 'dcd3b44bf4d0a965e334987a23751a5df7a6494a73f4c65056bc607a279f5d56' 
  AND (
    token = 'fqPbmJHI/KSgScS1mSGRvRxsSD/x37pHAcgV+U3zNkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )