INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7521329ee30e0ee33ba1019773f297b45a969aca23467ff1e0ad1a2da54a54c', 
    'rU1TpJlv2UGcwOnVkzhFl/T98pGHUbftKc1KSmPRN70=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)