UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6Tv6yDyhpEMeuZXMUbRa5i9/lU22rs6tpuDNQ2+FkQ=' 
WHERE 
  key_id = '48d9cfa881099f002888ffe3a012a18dd6b2c761bfaf42892c3957b7f377a7df' 
  AND (
    token = 'w6Tv6yDyhpEMeuZXMUbRa5i9/lU22rs6tpuDNQ2+FkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )