INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21872d8a1c517aa1e3bd4231142ac02b245ff1a6763a26acc6059d44b9fb7b66', 
    'm8pa7zlcllIYqjRaX3quLZVOdrh7oOT8CNVfskGUhmI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)