UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJMqFBJdz/KoWpPBDQk1BFr9UrmB+1k9IErk2E5xCwQ=' 
WHERE 
  key_id = '8b6952d8715fcba1c7868fede04d890e42485b661407c28c56acde6eb6c880f8' 
  AND (
    token = 'PJMqFBJdz/KoWpPBDQk1BFr9UrmB+1k9IErk2E5xCwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )