UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Hel9fo0HmI8dbQYjeekaNPc1a2dIL6mQKbI6KqL9DU=' 
WHERE 
  key_id = '7e2421de50e0595b3accbff57aa9f778502315718ce5fd6d37c2c5dd7797c4db' 
  AND (
    token = '6Hel9fo0HmI8dbQYjeekaNPc1a2dIL6mQKbI6KqL9DU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )