UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eXp+FPLnrAjN+EnM0yY3KmSKZLSKFc94u9mKtSaSUAk=' 
WHERE 
  key_id = 'c6749bc9c5886e98579c14df81fe9c1b752de8f6af66b9b30b60fb3022465250' 
  AND (
    token = 'eXp+FPLnrAjN+EnM0yY3KmSKZLSKFc94u9mKtSaSUAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )