UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+PI5oibUAuSnKnPnKNgDvrEn+XG4UzJRxpsNVAAwy2k=' 
WHERE 
  key_id = '903c94049ee4abfef4fe1e7444e9a9a77b19535d9c956769736917426b2c90e7' 
  AND (
    token = '+PI5oibUAuSnKnPnKNgDvrEn+XG4UzJRxpsNVAAwy2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )