INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '021be54241456980c719ae7fba5dbbde33c8af4399d101a2e926762d9bef613d', 
    'e2c6N/9nCQjOKjtUGxC/L+6mk9VG47HsBmMeBumZZbE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)