INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd7f8ddc53498f7ccf1c1e8195f4be9faa40de377f1d7253dda05d43dc1a7f688', 
    'L4EjyLW5BbRc91b5thkew1v11mWgsQgGrYpLIMgLAiE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)