UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4GbyKqDupai8NF96IK6lCS6JH7sVweKMJEXf/N3MqA=' 
WHERE 
  key_id = 'ba02259988087d777c5413cd37f44e035ececd138558f2052d369209106eb5f1' 
  AND (
    token = 'P4GbyKqDupai8NF96IK6lCS6JH7sVweKMJEXf/N3MqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )