UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/4z2r9GeFT1YMTOqQENVyZxQa1sJq7BjsMA13PHkqo0=' 
WHERE 
  key_id = '6735843d053ea863e586593e5fc52edf576f86ef1f56634ca04d451e7fce799e' 
  AND (
    token = '/4z2r9GeFT1YMTOqQENVyZxQa1sJq7BjsMA13PHkqo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )