INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b50c3365deeb490ab4dc3a478e4a1f537c7643967a03b3277d9886b017f039e2', 
    'LjD51U5L9tRXaHwPzjfz2VLJDSVbUY6lh/8QhI2Rems=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)