INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8300d7a472a5068b63267d110c2acefb51cb35b62831c09f50fae254a6edd458', 
    'H5rVkJY87j2rkWctHcjXd73algqvDumD7wvqKsxgWFw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)