UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6z8MpyALyEHtUNgqH3px69pQPdc8WJtQDMbYK4hw1+g=' 
WHERE 
  key_id = '9927823029f7820e4e124dc17daf90fa9c190780eab56f5d75f853792a4ff3f9' 
  AND (
    token = '6z8MpyALyEHtUNgqH3px69pQPdc8WJtQDMbYK4hw1+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )