UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4w50ohkXaXfqYal3n5h8CSxaOucamoBYuTlzt1oRGOA=' 
WHERE 
  key_id = '0393781c344eafd7f363ef587c03486ad0709537fbb30ffea0db25898dbe2652' 
  AND (
    token = '4w50ohkXaXfqYal3n5h8CSxaOucamoBYuTlzt1oRGOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )