INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '390709d9be9e55f7ec80e65342308e6dbe3f07ae03ff58db58a29a772d61a781', 
    'RQh1TbwbwZXo2PqvjR3pVO/iV1BYgIEScwAznte0pQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)