UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kx5G/Ec2Ejz/cRFeD53eLkY7FuGWYmbPnH1Qksu0+aM=' 
WHERE 
  key_id = '6c269c76c882f2a9d8ef95bdd7ef1edca11a5781e8de33b3359f0c1042c9aff9' 
  AND (
    token = 'kx5G/Ec2Ejz/cRFeD53eLkY7FuGWYmbPnH1Qksu0+aM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )