INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4b4185118e900df9e8c2a474592a7a86c12898283049b1e5d1aafaf6d31d29a', 
    'MArJQ+oAF+5E1NyF7O6ri5wcXCZiirkKYrrdkAfkEIE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)