INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4890f1755a0e35d9d701bdfc2d908eb5682b638e757e24fddc4147bac5e6dbbd', 
    'LuPb2XXbXCI09Y+JXcvnEZug7LvdwnTC9abIZQNMfSg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)