UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plAm2ZVRw+7fvcao/sbx1aByfAtwcgJxDVG/2SrQZxI=' 
WHERE 
  key_id = '209412e7ec30f33c590a3bd18bd0c2e9ded22fab90c9b77c287c2f7c3c628b91' 
  AND (
    token = 'plAm2ZVRw+7fvcao/sbx1aByfAtwcgJxDVG/2SrQZxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032