UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxgwvdFq3bSWWjG+fm4TaqMP4NAY4UDPMLjeDbfm/k8=' 
WHERE 
  key_id = 'c2e073c1d6c40654ab9e15f33798f918f3ff13f78510c79cc7f0a2ff53cce99f' 
  AND (
    token = 'PxgwvdFq3bSWWjG+fm4TaqMP4NAY4UDPMLjeDbfm/k8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )