UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+4Yjb9o/Ctv/GM0Y9n7cGH+6zeB44Wu3yz7gBVK3VA=' 
WHERE 
  key_id = '4d2ecc4809d4df84f17947869a4b257109ba0a4aac8ad83a7e8ea96915458eba' 
  AND (
    token = 'u+4Yjb9o/Ctv/GM0Y9n7cGH+6zeB44Wu3yz7gBVK3VA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034