INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '420440574da31e0650b72a85a1a01619c9f64a7d1f3ee39584a21ebcf75b0461', 
    'K6gkrhJfkt6HoDoo+vJE8eG4WUSe0WP5shRQL0RpgxQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)