INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e483c6e6d7e53a6233bf17f9ee2acc31c148b7a564c5022ccdf2da421ece9311', 
    'rwhDR+jjMHA8csiG3f586oJGLFGWE1HIkMuiXa340Os=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)