INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '876b42258882a81b85d2215b4100c8d0dcc08a535d3e4cf17f357749dffa5971', 
    'Vuj2M1D8n4oP6D3baqZGcAFHAjmWoHgKcgqYjBRLKV0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)