INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7388a3768160fd01ff195e252da1ff30ba48f63ff1543e184f5cd12e984009b8', 
    'NZNQo7CtdsuRXobtDMaZyzE6n5j5lGv32ojypNfI2+w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)