INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5439fc3268392a303031483957797b85fb3529d77c820f970111dd7aaad72d0d', 
    'IQWQVrTaHs8XIJkTxFXJi3kLwlHYV+Woc2n8zYPtTnI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)