UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vk17Rw5m6e1QYjV5jdotqeGCWBWz5fbStunEL6T/8aU=' 
WHERE 
  key_id = '27c0ffa4ceb46e310c003839c64b2466175c9c72d10510ac960bddeb69a68019' 
  AND (
    token = 'Vk17Rw5m6e1QYjV5jdotqeGCWBWz5fbStunEL6T/8aU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )