INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81ddfbf75f953def54d057286804338cf0b229f28056b76e77912d2e88c4403f', 
    'HtutPq6p7tpqOHjAKQiPM7v0J3TYpcw1aCsP/UY6bSw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)