INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a521dc84265bde8e00d659f74ed421bf3772cd3cd5d13f9607e5fca867cc9f0a', 
    'U3hX19MRKPsqafPVsIB+sAjgEb2j7vtxOjLKqyf2caY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)