UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PM/LF0xG9QVqQFWsA7LgRNJY3gO87oXnWGRY6nrSI2o=' 
WHERE 
  key_id = 'd61d3204fd16442d3fa6e8f8948fc054faf5683f9bcc477a86b44f2bbcbb7c2f' 
  AND (
    token = 'PM/LF0xG9QVqQFWsA7LgRNJY3gO87oXnWGRY6nrSI2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )