UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PWkURJeQRDjpOeOvkRlEWnH9PUHsxhtMpVygCyhpBoU=' 
WHERE 
  key_id = '81c5e93fc5f0130f44e436d8cd07e3824fe4764e7f2229ed12f33fbd7bfc4403' 
  AND (
    token = 'PWkURJeQRDjpOeOvkRlEWnH9PUHsxhtMpVygCyhpBoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )