INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9ad0f6636cc82769452dc21f74f425147244944c3f5bc9f7475b416a35afd5d3', 
    '6+Mxq94qsxzvuW9Yx2qCQ1p1uQpyHdWDLZ851yRs8nY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)