UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mT9tFb0lBz+4SWDx5HIhKzv8zw9S499LbnfE7u0FFv0=' 
WHERE 
  key_id = '39d22d755be4556b27a8d6eb1723bcf55f2382651d96f166397b57b3c437352e' 
  AND (
    token = 'mT9tFb0lBz+4SWDx5HIhKzv8zw9S499LbnfE7u0FFv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )