INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '521d94671341659a8cb7d2843271bf3a5f1565cf3da5f8547fbdd0f6b98ea3e2', 
    'z9YJmE72FtVuZWeSyiq46unvTvU9qDKnyQExxJ+f71k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)