INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ffef90f57ce1990ece007f6c371e6b023ee12a1d0db29c60508c6d813665bb9', 
    '6qTcLS3QCRcfRxTnRsHVjhwYFoHp+NDE3sMdlWBDCOU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)