INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16df1096b5f064a7bd91ca28c307429de3a264fabaedf0a67709f8ed3376173b', 
    't6IcI6bK8081pIWKZH6RB5gmdLYF11zY3w8J3uV2C2o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)