UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'PeACpswyRlKOJhh3aFsBuNPw3zvNEBiBO9qZk5bvacg=' 
WHERE 
  key_id = '778bdd68bb1d31f02652725a3fe4002938e28479d1adf013a1dec0b0fe4a6ac2' 
  AND (
    token = 'PeACpswyRlKOJhh3aFsBuNPw3zvNEBiBO9qZk5bvacg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )