INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6268143427b4277c49e40fa79a9dcd517fa712d020e22c7d123d48404d2fa89', 
    'k7moU5j6rDhciq2ExRWOAcGTn8On8rnOFumhD1xqZ9o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00053

Result

int(1)