UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znAeL0DBfN37ZY3kApSKTv5/ruFJq/DbaKB/MyNdFyU=' 
WHERE 
  key_id = '27a782d2e838a256c104e787b77b51db10dcf7a19932f6d2c2d2e89efe6ee554' 
  AND (
    token = 'znAeL0DBfN37ZY3kApSKTv5/ruFJq/DbaKB/MyNdFyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )