INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f451c1c21f4cc8de853093433b3941ddd2505ba788383f8d67829a51d3d72c3d', 
    'nMzNqauuHawOgTm6IhYytB/KZZzJyPIDJELaPTyANnM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)