INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e6eb2cf05544cc89d36067032218bf83c8ce4e44c736820163c23add5e8ace', 
    'WC9DbjSssycfHrcLl22224lLpB86RjgpY/ybPK2pVGc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00064

Result

int(1)