UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'N6mOy6C8XeU0Iqfxxwzg9iMrX/K198Hv1bhAAD5l1VA=' 
WHERE 
  key_id = '32d18ffa5e64a8f6509b47de426134d114d850d2546d09d49a8b6f0e5d8269ee' 
  AND (
    token = 'N6mOy6C8XeU0Iqfxxwzg9iMrX/K198Hv1bhAAD5l1VA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )