UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDFs+xw5qGZqcC65wtsFWwg+55gOkrE68NRITpx/Ju0=' 
WHERE 
  key_id = 'd6756078f1020b020d3cac3d2b78e09dc7d85ef6f9181c2d971c68de66e76326' 
  AND (
    token = 'RDFs+xw5qGZqcC65wtsFWwg+55gOkrE68NRITpx/Ju0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )