UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bEc5nIQWAWCsXvm/KRQbKev54gSvyomK6VlYvkykmyY=' 
WHERE 
  key_id = '47f93a0a8cd83d99742fa4f2e4c5cba85162805ac40287fd7704e85b50b571cb' 
  AND (
    token = 'bEc5nIQWAWCsXvm/KRQbKev54gSvyomK6VlYvkykmyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )