UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Og7zweAzBe0RKuqk0iJW08jVnxZq9qdF6t2N0yX/8/k=' 
WHERE 
  key_id = '81dd5db15071f57d812588e8e7082f8240f94755cf50b3df4af9a2f65c897732' 
  AND (
    token = 'Og7zweAzBe0RKuqk0iJW08jVnxZq9qdF6t2N0yX/8/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )