UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SC0xJoPPNMRcr2vYxPamjk4YDQrmxHCoKzwfgODJX6A=' 
WHERE 
  key_id = '521306f80687c287a581f4375f2279e047bf6620c73c621c96dbc0993467ce69' 
  AND (
    token = 'SC0xJoPPNMRcr2vYxPamjk4YDQrmxHCoKzwfgODJX6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )