UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+lQEKhjg4CqOgNzwHnDU8lmKST5kW8DQMiOUtgZRX0=' 
WHERE 
  key_id = '6b6899f7221e6f2531132457907a29ac7107d6c90ddda78f11315467ed6a5dd2' 
  AND (
    token = 'k+lQEKhjg4CqOgNzwHnDU8lmKST5kW8DQMiOUtgZRX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )