UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pxfvi4IGC/f9AVuVIsrfKJrmi8zc4wS/ohLuBTzgwog=' 
WHERE 
  key_id = '1e2d771cbb6b6bbf6e59fc35f9a7e4926c520231bdaa5515a4a790ce699b403b' 
  AND (
    token = 'Pxfvi4IGC/f9AVuVIsrfKJrmi8zc4wS/ohLuBTzgwog=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )