INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '738923cb31a092e28a0dead745a1bc5df16813e857d631e0fb3807f1aa56c50c', 
    'x6Z4IOU7BiBwC1EEOiI1erxU7VjOfD4ArLzdGjAPfcU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)