INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c21fc1b4da25609dd328f57dc189a65484d55d2b0e0bbd0b587641aaf6efa88', 
    'MctneejMTuTCNbXOb299SzVpJlKgZjaDMu6k40p6Lig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)