INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d2de1a9b57362a018e7018c5df0a025cf83f4b35d1e7c493671ffe98a54283', 
    '8txZUFtlxGQ0ztLgOxvqw4e9iR3FiJT6LBqUAN4/cHs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)