INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '752b3aca5a2a60cc4b0b56874c33e48d988d8027522d235346ef64595670b8e7', 
    'MHxJVaU3CyTXa2N/Ve4k8Pg5qgzIHAvzSYvquIP1REg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)