UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'uI6/3pQ3KEt0tOQX/WQZgBZcUE1+cvXqaQKrZt2lCag=' 
WHERE 
  key_id = '27c457f552dcd1ce8afa59e44eff673d254f505684f20e0cc9a95bdf91a5b4cf' 
  AND (
    token = 'uI6/3pQ3KEt0tOQX/WQZgBZcUE1+cvXqaQKrZt2lCag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )