INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76394e6a29ffdd0a42112a7a23fba16ab6554499555744c91837fde9d256083d', 
    'vm4VaBuzyBRnOj717qbsvokZE8jaTWYSu/Myaa7CeQo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)