UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pVAGjTJZkttpUoVDwPtPfrmdRAeaA81lNX/NyegEnPE=' 
WHERE 
  key_id = '8d3dd09301abbd2a1470249a670082707ac66561965da9e934d74e170909319f' 
  AND (
    token = 'pVAGjTJZkttpUoVDwPtPfrmdRAeaA81lNX/NyegEnPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )