UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'drrHUS/JEqKUbAAmNwVqGLmZL7GUFTuu0NDNVNXYA9c=' 
WHERE 
  key_id = '4c8530923cf052eac6f20d5d52f625afed1381004c379592c2851500b0f68764' 
  AND (
    token = 'drrHUS/JEqKUbAAmNwVqGLmZL7GUFTuu0NDNVNXYA9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )