INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4046b6e45df967724d87765787d976a541be34a6c661ff4e13860a290a0c18c4', 
    'rU8lZF1eRwsobB5w2CiOBDVrtpu61eUyhHeJ39URe5Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)