UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gF751zfh3eAqyw4UVSIN4Ou7GVtdPqPdYBxLUi9Kktg=' 
WHERE 
  key_id = '343043b629ca74647d7ffaf960db688699f2c3980833ac90846f33fa5dc03688' 
  AND (
    token = 'gF751zfh3eAqyw4UVSIN4Ou7GVtdPqPdYBxLUi9Kktg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )