UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jQzBlhD73votKOU3kRKVYKEslA1bOzQK3upoABXmhqQ=' 
WHERE 
  key_id = 'd3bb268dbb868172076891e1359b8c0f97c705749a687875a372074825747a86' 
  AND (
    token = 'jQzBlhD73votKOU3kRKVYKEslA1bOzQK3upoABXmhqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )