UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kLiVk3A3ZhykvxzGPes+hZYZYhvFBbeacMPCeLj7YZg=' 
WHERE 
  key_id = '977833bcb2e05d649b7dd19189ff7c92d26352fca29617151727804dda8ee782' 
  AND (
    token = 'kLiVk3A3ZhykvxzGPes+hZYZYhvFBbeacMPCeLj7YZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )