INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e3b443cc3384b21b717b2b1f75e5948dfe8634f34d34f767c43ef8c594139a1', 
    '03z5HDrGCgGdVbeaW9ZAIKV/6IdgIODrSQDZpBn3/WI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00017

Result

int(1)