UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KmDLDVfwkfkL+K2HPCukpIXby/U6uBf552wUKn6yhWw=' 
WHERE 
  key_id = '478fd9325b11f9be8878511f0164714cd931e05d3438e61be0d479ac1311ace2' 
  AND (
    token = 'KmDLDVfwkfkL+K2HPCukpIXby/U6uBf552wUKn6yhWw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )