UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRGi2YrltwjNKK06d+5BM6VFxnFamWj4N3nHXN2PLeI=' 
WHERE 
  key_id = 'ef77a4b0e87d28f5b3e6c976685dcb62c188b23bc91b9c27fdee9bd06fdc1bff' 
  AND (
    token = 'MRGi2YrltwjNKK06d+5BM6VFxnFamWj4N3nHXN2PLeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )