UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B3o51paY45XnFK+slqy7SPXpGt5lF2s6Em5CrkhKaHU=' 
WHERE 
  key_id = '1b4936c31149098f7339f5ea3d5fd7f86bf2b75ea904037e1cb3ce7a4c0dd565' 
  AND (
    token = 'B3o51paY45XnFK+slqy7SPXpGt5lF2s6Em5CrkhKaHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )