UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nOD0v/FjyEzagcueLAvgaLyTtQZ3xb32bo7yR/IMFIw=' 
WHERE 
  key_id = '40856b1419424b57364bd3864667f31448b0d36b32e1a254328dd6c4557e5875' 
  AND (
    token = 'nOD0v/FjyEzagcueLAvgaLyTtQZ3xb32bo7yR/IMFIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )