UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hPR8LvHMX8xxPh90BwBslb4loRpwzfiKFfraduBG1K0=' 
WHERE 
  key_id = '8f7a3451d361f15b2e9d57721d31986038e70494180a135bbb468750dded9df3' 
  AND (
    token = 'hPR8LvHMX8xxPh90BwBslb4loRpwzfiKFfraduBG1K0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )