INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b733ad1b3548632db1dd587162745a2865601e403a1397184a99504d0e8a588', 
    '15lVjDjqP/+Ls6CG4Jlw35suusugE19bF0APAvKdtkg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)