UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fLMCTuy0/SaCihTC4jOI5Qun56BYE9xWTJCDQiz61oo=' 
WHERE 
  key_id = 'c36d3b587fa9b32e42598930bdf54af18c7bf23dcb7056b44b3c1d9b83906db1' 
  AND (
    token = 'fLMCTuy0/SaCihTC4jOI5Qun56BYE9xWTJCDQiz61oo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )