UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DlwLJYcdL6jAPTWhnSD6VzROBQHXKAEEV9AP4hY9E74=' 
WHERE 
  key_id = '50a0be133aa31373b2e6114f366a18b19ed352509ec0b9f823f5019abb56004c' 
  AND (
    token = 'DlwLJYcdL6jAPTWhnSD6VzROBQHXKAEEV9AP4hY9E74=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )