UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '34nAER6lpaOMYrT9xKpK6gN9vlUvt/okZaH958ji/Dg=' 
WHERE 
  key_id = '256ffbb0ba80dbc3d129bdcd335503d6a4201a9bc7704a1322cf6c2df0175909' 
  AND (
    token = '34nAER6lpaOMYrT9xKpK6gN9vlUvt/okZaH958ji/Dg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )