INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8263e9e64945012d39ed7fe527655ff7fbff68daf840fd743ee6ed4f4526d4aa', 
    'c55EV7C2s9eGWvgVKTK9q0s8KgkiB6lIToAkRaY9O3c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)