INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e451fb886b70f7adaab29997d46af36f1a682e6617180038d871480f097214', 
    'avbLnBXPdd5Qk26pv3h5Jbhq20RLu+OdN39X6EE0FFY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)