UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BxE2rGxa7WpCfiqIciEtlYC7lSunX4bnC7m2sR7OUMw=' 
WHERE 
  key_id = '0a6c5b95fdab948929600b0de590ddedf36b3892af05c1e1a65a2e2fffca80ad' 
  AND (
    token = 'BxE2rGxa7WpCfiqIciEtlYC7lSunX4bnC7m2sR7OUMw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )