UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rr8xuNsYrwzNJwo1BUCMmW0rOFhUzdSxihOLwEkMuag=' 
WHERE 
  key_id = 'c95f481750b57a06b7a2a62aa20edf1c8716771bcc79205632177999f363f063' 
  AND (
    token = 'Rr8xuNsYrwzNJwo1BUCMmW0rOFhUzdSxihOLwEkMuag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )