INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c21876655111037d168838821b0fa7f70d098853610b567c381ac2363fa4fb8c', 
    'Yd1ye8siO4ddgpmblM8Qu0zkFX6J0oJ2JwOVcd8l0FI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)