UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kt9VqSrnDq8c1OATHN8EBNKrOhyCFZJdkoeuPpk38uM=' 
WHERE 
  key_id = '835796b9db623d1773fcb80142f0c5d3c938f5e3e4f3c5a29975d44db239dd53' 
  AND (
    token = 'kt9VqSrnDq8c1OATHN8EBNKrOhyCFZJdkoeuPpk38uM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )