UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7NYGMdxgDtsbsxH7r0BRuyCx71kpjF0hR6+And6V8Q=' 
WHERE 
  key_id = '6842f810ad0c1a183cae8b6483398f4d175921bd8a82e130d9a3927b4e0f7485' 
  AND (
    token = 'a7NYGMdxgDtsbsxH7r0BRuyCx71kpjF0hR6+And6V8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )