INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'eb243f89af467440ecaa7802eb7d39e5b4599608423efdc8e243e2539cc26a19', 
    'bxjW3vUtoVbncfuSrBiVTR4H4tJDxhjnyHfayEgE9LU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)