INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '42c6ebcfc54f301ab12edec3ebf9bc391f2d3ff7ad528475962dc8eefdd3cd1a', 
    '4eBJcvFKXAVvnvzilwkmrdY71IoIoyJ6Ahp2Nxv0Kuk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)