INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6999c5207ca1f488897ef3a7aa0b0163b4834067de525fd018675a9e32b7cfcc', 
    't3gUDEdy2S+Xtbg47vQ1pl5Xgxbd2YekNbM/bE/HHtI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)