INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b9b73321261b6c0d73df6f39d34d8997a0f9b2d4bb36f87b11de69110bc7118', 
    'hfpZEIJEYfvT6ZBVVrc2Fn8wLMGYPsJNfRPAZtCSKJE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)