INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f21c44845cb59804e699dd5abfc23596a73eb6919b53f66db73e5400b6f6924', 
    'OW31iyTtJZqEUvEMHJFloSHkdhLmwTHd0VlzGhWF8P0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)