INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '29f7678bcc20e45f14ead668d04348303441faf12a972c32025672d8e8be6fd6', 
    'bcxyMugBq9tHQF5fVOrbyIFtW4rFwTuLs2FRDKZvY/E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)