INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '834945456a1e53dc88d75b75e4b89f5f1f8c927557d1dc8cf28a535bc45caa83', 
    'PAfwbNDhYj6i4IAtdC5XqoV8TRsDUtuc1ayOgTJjHmM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)