UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xrB3AP6eG2c5Ia5RDyGqLWLFPnYXhiIeDrHkKjaXihc=' 
WHERE 
  key_id = 'cd50a7871c61480f9376271f9299e23d48d341facdb5f200b30868b54b29f476' 
  AND (
    token = 'xrB3AP6eG2c5Ia5RDyGqLWLFPnYXhiIeDrHkKjaXihc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )