INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '468921b3e2eeb03ef6e7de35490498fccf473f5721a36010f98ffbabfcf29d64', 
    'u1mQ1zkTM7r1kBiRYUVziZAUVEgyp24KFHKt7uO4Gsg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)