UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ZEq04fylVSbuPK3soY5TNwafPqiqdTE51CkXSVfUYo=' 
WHERE 
  key_id = '1f91772de84866a64aaba85365168da2c97a78fe79bd595b097ad2a20e526bd6' 
  AND (
    token = '4ZEq04fylVSbuPK3soY5TNwafPqiqdTE51CkXSVfUYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )