UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iwk7xLL4GdwVX6P4aXQnRIeCdrHmrZcK3T7JokNPucM=' 
WHERE 
  key_id = 'a815e4c8ce43ab6eba88ba9bd09c0fd05e0a68a1dfe6f72d5dc9dddec77b8920' 
  AND (
    token = 'iwk7xLL4GdwVX6P4aXQnRIeCdrHmrZcK3T7JokNPucM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )