INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6d12c54bbfad5779053e15b24f042245745ae513170df442dd3339d4baa553e', 
    'cJRLaIbKWKvUzW8iQlKxjpGdKBIyXNT9IjiWLj2EbPE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)