INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5c6b6ad8d0e9454bb7ac78e990a8180761090950c67b70155b5dd40701c2c740', 
    'IuW2qVMKKd6RKJg4IS5MP85aDQlPFIOPR5sb2A50mdI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)