INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '299fa4f292b73ffc9ca3ce8b37bc24850df8ffe21ccc7000c759124b5ce960cb', 
    'TL5WSg32f8+JRIAMOJRnZEtAZ30veDHwiXIO1m1FENE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)