UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L19a8con0s4DqkY5caoDGhtbozjB8xHYclSxlROs3hE=' 
WHERE 
  key_id = '76fe486cc6a17fbc01741ee5cca6333040217a83241a9eac6b014b0dcd154b98' 
  AND (
    token = 'L19a8con0s4DqkY5caoDGhtbozjB8xHYclSxlROs3hE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )