UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Md7Mz8FAcRkuD77hmb82kSNUPo/quWJ8aLLHgKQE4zw=' 
WHERE 
  key_id = '4ea3a1bb850114bfeeb64e01679363b1771485b1a2b048538e799c97e1c59af7' 
  AND (
    token = 'Md7Mz8FAcRkuD77hmb82kSNUPo/quWJ8aLLHgKQE4zw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )