UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jEgLLfo5hb3L4HYe7iM5ab2C/wgIOSKj1rG4P/Ei/wc=' 
WHERE 
  key_id = '87dd3105a5088aa9d4ce542fc4d7b214e2d4dfce73e234b01d5d3c3c87425b4b' 
  AND (
    token = 'jEgLLfo5hb3L4HYe7iM5ab2C/wgIOSKj1rG4P/Ei/wc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )