UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrKPRoD44kZMcwVCQzCiIazINcsphEfz75sNlFab7Ik=' 
WHERE 
  key_id = '829f4df842ad559510f45ca74d73af467e55d17b4e2c12912ddca1994cc11774' 
  AND (
    token = 'MrKPRoD44kZMcwVCQzCiIazINcsphEfz75sNlFab7Ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )