INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51fe81860149f75f8e9d3d0961e682a8bc4e414edf453b773e379f39c1dcf5c9', 
    '+Nzi4SY6OMUvds1q18owYKywFVHuwwhsg9NIaQRhSi8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)