INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6973ced82d04918aad18f1d14d73d70021e4e9e7d9679147621946fdb7daae33', 
    'C38Gf2mPJFV7xdzHNrsRZxFNc0Xf+J2YiWD77xIk2NU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)