UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '856gUdGkD6fcmg5A4XTIVK86FeN1RX6WSYO0nsr2F48=' 
WHERE 
  key_id = '55feaada17f692773cf4ef6c5fc61dca01f803544f249711012dcc033c1b873f' 
  AND (
    token = '856gUdGkD6fcmg5A4XTIVK86FeN1RX6WSYO0nsr2F48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )