INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f21812a3a17f125f823dc2f9c2ab43cc12513965d42b45d20d9ecbda9c527d4', 
    'W5BEmEtG5v0kASl9MwfnqZzBqJkPTm9QPB3EKQM27ww=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)