INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '351926422997e5bb8af38d32a01df282a8c28764de95242e1e272647706bf40f', 
    '19hXO7TqFBht7HE/dKlVvQujjyjQfZ/r1NhdqxF9cJw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)