INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '540b1392978e6b1bab75db8856a37bb66181923e3ad6797d07068867b76a2730', 
    'X03h1g+gC/gVyVNbDf40Fo2+zuwwly4QLyjkfm5qKks=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)