UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pOSWrKwT7OM7CEB9Btaw32A3ro0R0C5Tzjm0kTdqaI=' 
WHERE 
  key_id = 'b358de9bfa0e8427d4f4bf1bb7b857c36bb8af2404a0fe23e04c98b42b427867' 
  AND (
    token = '6pOSWrKwT7OM7CEB9Btaw32A3ro0R0C5Tzjm0kTdqaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )