INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '509bd56ec89187be2ab39ddf40342b3fb20a107d6e182213f126ed8f571753fd', 
    '9yh996wa0zveaDM7If8H/B2W4U45LwC4AHu0bvwMhGI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)