INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f15db80ad64a032748632ebd62660ad3386dbe50114c471f68f2b5bbbd4159d', 
    'KLLOlOcu39sINajAcl+HoK1KWu1SSzQ1ce6SuJfqHRc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)