UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nV/CZfGYF8pMnZHvRZzEGL5d6yPK6V4oGG4NWmW8nDs=' 
WHERE 
  key_id = '8f638d4a3c007d12bbe525d6e897a0de142c3bf74870447d8b5a6639bb6fd859' 
  AND (
    token = 'nV/CZfGYF8pMnZHvRZzEGL5d6yPK6V4oGG4NWmW8nDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )