UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0DVqwXrs9BgSsnjuZtnutM6irMLMy93hYnTFSUYu8I=' 
WHERE 
  key_id = 'a0503df5f15fb547846a78720947b2f40e88f6473a6605d2cc00572964da4217' 
  AND (
    token = 'U0DVqwXrs9BgSsnjuZtnutM6irMLMy93hYnTFSUYu8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )