UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y8K/eV4Riy8HgUqntNoX1KiKzuB9uGul+QE6A2BOIZo=' 
WHERE 
  key_id = '4d3c8f7908a6e098cd6c051c58ec2e76d869ee6aacbfea751345368a049a47eb' 
  AND (
    token = 'y8K/eV4Riy8HgUqntNoX1KiKzuB9uGul+QE6A2BOIZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )