UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7KVg1yG2gIXxnFk5azis1XW5SB7sFjtReWDvysqox8=' 
WHERE 
  key_id = '3ac5c710cb208205d338de079fc079566a66becd6f72f03648d4293a1a4e2d78' 
  AND (
    token = 'a7KVg1yG2gIXxnFk5azis1XW5SB7sFjtReWDvysqox8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )