UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MhwPCRPnVo1T6KS63NPa6+egO3ekWcBFxdkwq1wi1w4=' 
WHERE 
  key_id = '6e1c37ac4b46bb2c9191c5d1548f9fd97a73adf052c73ea201e26513a4f1514f' 
  AND (
    token = 'MhwPCRPnVo1T6KS63NPa6+egO3ekWcBFxdkwq1wi1w4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )