INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c01c4e60f29ef45ea15c91fce8bc199601d86499c0e80a3f2a0a50ec238fba', 
    '3GrQweE0FUUcFGX8r6pBtZn/f27gnhK8SkJFEAaAobo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)