UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VZOZRX5lD3UHTpj7CndfyIcVjxw09lQerKCeUocBuBs=' 
WHERE 
  key_id = '6835b07823b1df610c191d9fc2137e6cccfe60656cf241d4d682439835b4fe89' 
  AND (
    token = 'VZOZRX5lD3UHTpj7CndfyIcVjxw09lQerKCeUocBuBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )