INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f39c50b9e29e0bbd9d8bc8556702863cd66c753580c274bda9447a6fc87681ad', 
    'WKEbm6YHxZLlMmMboTlxI0NZKedfNTm0msfUL8bhBYo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)