UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5nKT4A8axf+TENj+LudhcD9FMJdGbMju6+GYf1rgEBQ=' 
WHERE 
  key_id = 'c8502a9a525ba1ca7301720a039439b647bc896dde2c93543e7de72958033128' 
  AND (
    token = '5nKT4A8axf+TENj+LudhcD9FMJdGbMju6+GYf1rgEBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )