INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cc29bd6d76a8bf7ec66675d5106d6a342a8e2373e21359ddeb8b20de3b2e6b', 
    'aHWYzuZerPr2t1nROBGTAzMruTn53SMLiwQL2IH6S/4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)