INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '121e798275031067dac066170b3bd7865895b9401d9f0e109fd494abdb2f1ed6', 
    'wOWZMuSwzaPM950d6seyme2W04jvN3ciTGCJ3GaILjc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)