UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ztZSQyh7J7XibC+srKtQJMbPZFWMgk+JyRnyL5+zTjI=' 
WHERE 
  key_id = 'b23261d20d15a8e8f0f716b1489bab6b96484cfd7524a4cc0eeb6481247792f6' 
  AND (
    token = 'ztZSQyh7J7XibC+srKtQJMbPZFWMgk+JyRnyL5+zTjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037