UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LwYZ01IOmXZpx7QkgEqIPr2hAdiBdMxGd1RqxUkHEZs=' 
WHERE 
  key_id = 'c7d252edab5d818bf2816c93937230044b215d209037af700c02a57f87b8570a' 
  AND (
    token = 'LwYZ01IOmXZpx7QkgEqIPr2hAdiBdMxGd1RqxUkHEZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )