INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '303a9160dfd6a1744bbe5ac81766826b977d6abb75d2435920142bed5c58c649', 
    'm+umjuSm6DzXGSnmMmSCYyzNtr0017JDFs33qByf5kA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)