UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M0FpTlXo2807iu16757NYj2IMN3wi7/jWtt/oj2xMFY=' 
WHERE 
  key_id = '9441a619c7388b79ae7892b8dfa0be60c8af175e0ac52a854a0f1c9e4dab2f18' 
  AND (
    token = 'M0FpTlXo2807iu16757NYj2IMN3wi7/jWtt/oj2xMFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021