UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nCTtjWT15oZ/59NrXU8YD6FYHp6CeZpmcqPzQlmWUuQ=' 
WHERE 
  key_id = 'bf4f99079fb68ab468d7b7b495a31379d1ea5c19888a34a6d2548724281e507c' 
  AND (
    token = 'nCTtjWT15oZ/59NrXU8YD6FYHp6CeZpmcqPzQlmWUuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )