INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c72c99715ca6b813281cc2fd7a18e2a8f531f31c3c15138f2af4fb36d7207b', 
    '+ODqzMaGGpCtSwdxIA9f2atl2jV839JVJXOgPfeu5wM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)