INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cf36523cfbaba56442645e760a62ce6d735e95448dd6fdb4076c398c515428', 
    'icqxkOrb8cQ3W9znFzQSUjic545vE0f9wfo1KSZHHng=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00070

Result

int(1)