UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QYozg3b9DMCJJ/E2ZKGvisGQPtmjBBlRacQDnp/Ui6I=' 
WHERE 
  key_id = '9da7d81eeda45d5e7af40e7e28333036f6fa9880aa81659ff092ac04576dc1e2' 
  AND (
    token = 'QYozg3b9DMCJJ/E2ZKGvisGQPtmjBBlRacQDnp/Ui6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030