UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RK6LaENgw0J49g8kDbNFxPVzAwv+S8li7Zo0PH02c4Y=' 
WHERE 
  key_id = 'ca97fb50f7f956a97edb8cb78972c4bd15a883cf5b20d1c0e1bce292e26bc7f2' 
  AND (
    token = 'RK6LaENgw0J49g8kDbNFxPVzAwv+S8li7Zo0PH02c4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )