UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zQPuIStSUWT1uFAf6NgEHMIdUZdsPs2DwWGZECsASl0=' 
WHERE 
  key_id = 'e55ef2237bbfca3848b76bfee893349a79f9488957b583813120da09d6901722' 
  AND (
    token = 'zQPuIStSUWT1uFAf6NgEHMIdUZdsPs2DwWGZECsASl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )