INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e50ad188e219c27a91d2a33aea41dc21111ce65b1e4997a7d5d65160a076a94', 
    '+fAdSHfeFXjlQhdf5/ebET0iskhbshKwj8ZbN/FRqwg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)