INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81d8d8489ab1f08d77ddebc58a4f311db4177171479181e5840f1d5a8da46e95', 
    'n2qdUyziEiD33WiaA/xSEYw9PmV2CFCK2F7GNXBhLAk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)