INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8b5950ff4be053a424b75137abaa9535aa38fb433f1d0d89b65dcb0554af6b8', 
    'KY2BrqLSCrBpwBVPlh4njiHpo3G9FlJCMvZ0BbymEjc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)