UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bJgFiOw1PK+Dxi2sFqah5MEXxQWNQiSpuV1bgfalZP0=' 
WHERE 
  key_id = '914e55aa1ccd08f937d16879f9b5c7168981f5b2a50dffd3f9009f9a7a560df3' 
  AND (
    token = 'bJgFiOw1PK+Dxi2sFqah5MEXxQWNQiSpuV1bgfalZP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )