INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '56e4ff55c6a977a2167232aa145edb451f1d2f56e742fea34d349961e6ffe508', 
    '75oq8a3gXMbhwdMZeQVnSFG6hHgEY//4+8Ng1lTZ72w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)