INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ce78a6badf4a72f704a5a28918119a98950aedf5454eea7759b6856ea3366c', 
    'CK8rdYC9BkYTgVF54AfuiFB59CWCqiHH3cWWwSwBcb4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)