INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c35194a7943e45442524bf0b35631aff27e860eba5e2eb3f820e4e8103cd526', 
    'QvQkX11gsm2qnswj36RclWSOZuPEdHVjzs/P//9uCtw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)