UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJzTxALSJ3kFQSr2nszV9QVa2Dy3nmDPzG1xCwIe0fY=' 
WHERE 
  key_id = '50179eb46531ddf86762e9b0c1df07a102246b587e41010e6327634c0ef1ccbb' 
  AND (
    token = 'MJzTxALSJ3kFQSr2nszV9QVa2Dy3nmDPzG1xCwIe0fY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )