INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '389376e55a09f72183f09640d7e7db04c8c574f9045e980961b1ff6d9b8d5f52', 
    '20ATp+nnvS41RlbyrYlZ4IblhnQrsBDg4VvngGiTaf4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)