INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '753462b8f1057052ce2e5a811740fc84b2e892b89266d2441a16c1afa89cac29', 
    'x3Lm6Dq7woHlA1zug9640p6DKZbI19YfIa18gV6EfxM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)