INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6bf69c768a301b4bbe46de1a1001f0ae29cb1dcfff98bf32a995a93b5cd6901', 
    '81iDt3giTR7Oqws6KuiRlDE53NtQzlRHPgL8KwKlt1k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)