INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '03a1418344e2510b264086953e8dd609ecbc01b19d001bf2276769197e138966', 
    'PnUbHQoY4MJrkust9FwhHgpsWHBLzVJcEbvDoJgRRNY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)