INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '506c74d82948064b959b4103e1099e5b4965ce38f512cc811f84dbc6fb515a8f', 
    '4XYD8YHayRjVTOL5EDLrLcphI1r93fIr9njjUwwSPJo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)