INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b15cdbf0429518e550c21f7b0da25b1b0ed1a1241e33bfba8c2365b0cd3b52a2', 
    'mcCpu4a3Qe8keYQq7W+aKrUI08QFoLXvGKySiMcE7Dg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)