INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28ddad6d3638d947c453d4d656c44406c44a573d852eba854231d082217afba5', 
    '+5RMNZcGLKx7F6P1Jgp6iFzYH2s39v0Z02I8CLoi5QM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)