INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '050b353c43553906fb49d52d86385e2326b233d0e1b2edab5f556d2eb7149146', 
    'lVIL3nmuhIwYN7G29BsgvB8cQHHC3KSonnSYc05soe0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)