UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1H6Tfif6tNdYyb1lCjj8TWqcfou1gBsOP7GSzyae2Ik=' 
WHERE 
  key_id = '5aa65d0d1b7d76c3bded93a6584f727b9879822efa075e2e702f823e3fd8d14e' 
  AND (
    token = '1H6Tfif6tNdYyb1lCjj8TWqcfou1gBsOP7GSzyae2Ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038