UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4XZDhltXTUKyvXK1pVJkeBsJk61ARK2sXfEt9wD/JU=' 
WHERE 
  key_id = '9e4405bf6365ab7df52362ed5c8ad42846fb77b99ce89a9177aec692add11294' 
  AND (
    token = 'u4XZDhltXTUKyvXK1pVJkeBsJk61ARK2sXfEt9wD/JU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )