INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f5889676e9ee2b0d9c58f32cadfdd87e6d96b4f24bd75818bdb5944376cfc0b8', 
    'eLw5LCFoTt1kCKKAQlFS0K4JDGB2wxRm+SsKBzTlFsI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)