UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'swRnw9yPmt+0PRGMAHKl4N1b+iWJL2eWbJ5QONM2odY=' 
WHERE 
  key_id = 'ac9fb9894c0578bc29a71f1573a975339102c1ab88e2c10552c379d716e27282' 
  AND (
    token = 'swRnw9yPmt+0PRGMAHKl4N1b+iWJL2eWbJ5QONM2odY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035