INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e8d3237c5345e7a5983e75f723a21aff509271142bbe9c31d65947330cfa7dc', 
    'XHlQDCZeCHeCvhiCZ3cp8uKg42KJhiQTi3nW/0V6ljE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)