UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KoZipB535aLKA++Ntx80GxUbPl8pobjBAkLy3YWlYVU=' 
WHERE 
  key_id = 'b81d9163996bd47cb143381953c37262d343c0579ff30b830b68667828e12268' 
  AND (
    token = 'KoZipB535aLKA++Ntx80GxUbPl8pobjBAkLy3YWlYVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042