INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6d9cc4a46b11ecead3a523235b39d46acc2e6a7b9673264a59137b02cd3bd3f', 
    'tXVQh+MwDxkex3fSFtHru+KwuGjZKzMEZ0BQmslYifc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)