INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b542ca9d00be9081c6b72cd6c12836312bd4c420846678183cdbb915770a70bf', 
    'JN/AgoOWw9JsGMXCbbqU7rM4ItVcw98ZVfSFhXXVGdE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)