UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RV6VTJpfgg6qWH6H12XLYLL6V+AtW7lW6pwex9Dup0k=' 
WHERE 
  key_id = '12a3e0956702e8cfe5b87632ff9b6f2539c8882993893749a1f9ab46ec0b6a5d' 
  AND (
    token = 'RV6VTJpfgg6qWH6H12XLYLL6V+AtW7lW6pwex9Dup0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )