UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Via56pnkXdoyXDzxtKHCLWk1q2/UXNhphpQI/muLtUU=' 
WHERE 
  key_id = '66ce4b03c752847a5f236080962aa9e489e272578bdbe3ef2b27c06c28815568' 
  AND (
    token = 'Via56pnkXdoyXDzxtKHCLWk1q2/UXNhphpQI/muLtUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )