UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L9ZdN/m9TNTM33iu83Doa4iL3nOsSTAgfVZxQPoXiqY=' 
WHERE 
  key_id = '84bf3be227419dd7cc2c3074c9396a21444438ebfeda9742724a2920c7968553' 
  AND (
    token = 'L9ZdN/m9TNTM33iu83Doa4iL3nOsSTAgfVZxQPoXiqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )