INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2d40d71107dbc48d15210b040a4d11c0488b88a8a5c94bbbb9d15f42cb9e935', 
    '0+T1FCIK2axTrGKgcWVdk15fnobfjzNw915WSYmRpOI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)