INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b204e0a265abc2f7928899a725af2e80a94b513ee94dda5a9ac2870ffe343ee', 
    'EfEmEkjRltTibqkeke4dxqkCOpSvz2Aun3Z/PhZxOJo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)