UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iQTryKeJFgUO2ABo1saxrFgSXZki/miS+NiIXH2Krpw=' 
WHERE 
  key_id = 'b7aed546ce4af37110ad357ef845db818c72443d7d7084fe3c441d890235b1e5' 
  AND (
    token = 'iQTryKeJFgUO2ABo1saxrFgSXZki/miS+NiIXH2Krpw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )