INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b7876483274125de1e6ab8328eebf87fe968376f1eff5b5c13fc1dabf53bf6', 
    'wu4Oxav47nSZ9ExXgt+oIEzkL5z8Vl8fC8rHZoB7RSM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)