UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'puCm7zrIwD4gTlHPTaaYtO+YC6FwWUw0LDOGBourYEQ=' 
WHERE 
  key_id = 'fe76c3c4cbbe261689ef4b653ccdcb3a4c740ecef6c9ad3a788c7ae4ffa7854d' 
  AND (
    token = 'puCm7zrIwD4gTlHPTaaYtO+YC6FwWUw0LDOGBourYEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )