INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f8ebcf308adcdf96cc11550f3ce938184ecf83921b20224fe22baaf144947023', 
    'DtAsDV7gfDFTiP4wOwDWqvY6ebHvT8dnYB/N0QDIDHs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)