INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6391be2549c6b4512cd64ebec538979de437463a72e20ae056ecadc1cb4856e3', 
    '4cy6rqzMkKAuA+HPj2NqcCuVkrP0a3sKvetZkCNqtfI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)