UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pYKglwfQt8Ts7bKtGLKFCEya6G59aH6roVDWed8Els=' 
WHERE 
  key_id = 'aa057ba3a551ea86b7fbf3b6bc79a83a13e392c4d482efedc72082ffb7a69a8e' 
  AND (
    token = '6pYKglwfQt8Ts7bKtGLKFCEya6G59aH6roVDWed8Els=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036