UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K7dtvjCIyo7Z0YF6iTkxeAByWyu+H4iwPI1KngamlMs=' 
WHERE 
  key_id = '838de3b237609c188d8e019c237648bef5d8b2658f095b3abca6899edb0d572d' 
  AND (
    token = 'K7dtvjCIyo7Z0YF6iTkxeAByWyu+H4iwPI1KngamlMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )