UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fLoRl9OAkrbWBDjUXEqS9caavttoswmESHTslJA0GmA=' 
WHERE 
  key_id = 'e94348218efe57abfc99e32cc448cd52f131b42ed5242c8ddcce8bda403c4dda' 
  AND (
    token = 'fLoRl9OAkrbWBDjUXEqS9caavttoswmESHTslJA0GmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )