INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b8ca68f9311090a24d0499978f09f83ab8c52bf2bfcb1fd04dea1ca56375293', 
    'vU0G0lm0eVp7ajYjOqXrZP3XA4KhQdfVGHhcL4wiG24=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)