UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J4F7fYwm1gRzsAIxhalrxyOBf2Y1WXlBVXAoYbgeOOA=' 
WHERE 
  key_id = '50c0a97d91ec97c40d00756daadae537eb7559348f8160ba8ce1c2af8b7186fd' 
  AND (
    token = 'J4F7fYwm1gRzsAIxhalrxyOBf2Y1WXlBVXAoYbgeOOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )