INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91883128adde71956917cf9d39ceafe2ea39e7b2263cdbfebdfb0aa196a8463f', 
    'u72qLk7DIhmqXzp+29STA4C1zc3YMGgTFh1uxnELHqc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)