UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ebHQZsfqvMZXQwNGB0vgS+61pslY3EKIN+avodnxqJ0=' 
WHERE 
  key_id = '28b6dff9715a5c1c0de7aacd324e9d3476f4ee03ae0f36d7799762cde232a382' 
  AND (
    token = 'ebHQZsfqvMZXQwNGB0vgS+61pslY3EKIN+avodnxqJ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )