UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NbRM/h3yZEFlZz1pMlPJwYzyofcBhqFTVBT8NhXHqB0=' 
WHERE 
  key_id = '6c51a6a02ad0cb42d4f20dd32dfc40a4abe47cd7170f94ef81af31276c51a763' 
  AND (
    token = 'NbRM/h3yZEFlZz1pMlPJwYzyofcBhqFTVBT8NhXHqB0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )