INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '543cf7085964b7464adc328fd2e9321e1d7e100606c950744871f0c451edcb21', 
    'pZk1u0osy5QX3lDTWGnDdcKxXMOurViRHxBOAdCVg/4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)