INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '503b8cd84ac6b9ef638e5098577f0574dfafedf3826b3d41f573208075a0409c', 
    '9kakexLyQx7NzbRQI251BmjNbiNuTMEoHhM1t0dh6UI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)