UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ep4aA73L3MSO9u2o9LuxNwHf8wKn+6DYNWspjDnhLHI=' 
WHERE 
  key_id = '38a9e2ac33091923e9bb7cea7f4cd4631d4c2fb9c225b041b3ca84c51cb3bdb1' 
  AND (
    token = 'Ep4aA73L3MSO9u2o9LuxNwHf8wKn+6DYNWspjDnhLHI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )