INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '514511c5949722953261f8ef4e1011042a337cb2741ea4d2c43bff4db174a05f', 
    'cth52LOIEbXNFzikq41cdiz5a8cWxnNWfzHe7jWKOjY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)