INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5839e976313f844c75237044fd580ce61e8b36aea4214f26996bb4a621a53fed', 
    '9KMPmIc38cWN9oPvxn102RXfi5tBXmgkIV73z3Z3WlA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)