INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c8a9ac85d1515544972431143a8f996920e74b1f05edb927244d103e99a6d10', 
    '7kNL8GnPzAPyM/U9IiR58KMqaTNFwkVUN0WGg5zGzdk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)