INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6ce126d76bf642ae9be1405c7b784e53f270c691174481d597271cc397194b5', 
    '4MtgNOfPxOHpmcOBjAwcu8OWD4ZZVzUvG0KCEV8tEOk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)