UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mr2XYhgnzfobRYxpvwprJDn4x5HcSWVZcY+4OgJKxyI=' 
WHERE 
  key_id = '3ebf1d7b55f0268207bc4b1504ff85161e4e7c65dc37038087dfb5c6ef547bb0' 
  AND (
    token = 'Mr2XYhgnzfobRYxpvwprJDn4x5HcSWVZcY+4OgJKxyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )