INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '816dac0ede06e519b2ae9def522a57f46c444570bf0b6e7eddd93f937e548b32', 
    '1aSzyr1izBcqb1GChMWiYnOzZT0GwXqxG52AJ3Djcv0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)