UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xg65o8mD2pQIZucXFSMtaKilgZittPrGqDyKhY71rNM=' 
WHERE 
  key_id = 'a3f92d34a01b54e5891afe7b6780b669c79df02725c8ad5d29f6ed0d79cea23c' 
  AND (
    token = 'Xg65o8mD2pQIZucXFSMtaKilgZittPrGqDyKhY71rNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020