UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZoGwvcvaqdlWekh8QBB5Ay7Fooacz0eO+up9g6cMAY=' 
WHERE 
  key_id = '6b8b90264e1c6db7d2150a149da7e3ea483229148921a012ff020a70d490e16f' 
  AND (
    token = 'nZoGwvcvaqdlWekh8QBB5Ay7Fooacz0eO+up9g6cMAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )