INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921009a426b247c6a39fb8a008fc1df0b56dee90247d0d984aec3bb6f438bad9', 
    'USZyyUSslG87AEW1nswSNYLTfjIgIEElKy3HCJmJRFk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)