INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c4ee0256372411e3fc23a52450d5ea6bc6d5b0768af5adde644042dd9b7e9472', 
    'Mm3bSzJMbZBlXZo0oc7eoxSE8dTTy5JbqPrbfF+RQdE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)