UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f+9g/8S+mkOIHcer3DebTBSoosy1GNbavMqCW0+ZEFc=' 
WHERE 
  key_id = '8536a30362f86888d39adf4a3b230177fa3ff3b2bd52cb362084af3175aa37eb' 
  AND (
    token = 'f+9g/8S+mkOIHcer3DebTBSoosy1GNbavMqCW0+ZEFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )