UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dtb+UMMf5lsF5VHq/YWG7ybK1N9WiZZ6Bbp1DKMSDCs=' 
WHERE 
  key_id = '6851df6e9f001a58c58afd1459234af434f7ccdcc0ce2d4b22363225c5e3bb39' 
  AND (
    token = 'dtb+UMMf5lsF5VHq/YWG7ybK1N9WiZZ6Bbp1DKMSDCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )