INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51516645afd71ede7191e83db04f68c2e954ab1a19366bce8475dd455a4bf612', 
    'xPBtfS+JniyISG0mSyo5aWdNqaAIz0nHQLuo2J+5FJc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)