INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8439924db5ecf427d6def3c8f9eb98f41fe045731895a43d268b4cce1e1ee724', 
    'V+Wnyv9cPDuj1/l7r7DZIdvgyOPQkdf9DuJya5H4iPo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)