UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VZRiU2uRR/6AAGCBwSkSRp31PpO8vUcDA8XvqmMahQQ=' 
WHERE 
  key_id = 'a6140400df67be74daaabfb11e97877655404fe01c74b56561e0c23d5d8390eb' 
  AND (
    token = 'VZRiU2uRR/6AAGCBwSkSRp31PpO8vUcDA8XvqmMahQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )