INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd8c0b5b455dbf29f2a14750282b1720dd97a8e18159fc2485feb39de4450dd7c', 
    '1fAcBGNtIvexXI5XNvaLPzlw0qpF0AO44Iq4B+bkO/A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)