UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/4JUjFAjX3fHIcD4o4U2UOJJpQDYT8ISuoSPBRhwckg=' 
WHERE 
  key_id = 'ef98264c0f4bfae51003885ad7d0a017c78d8179afdcba429863c08659c4e40e' 
  AND (
    token = '/4JUjFAjX3fHIcD4o4U2UOJJpQDYT8ISuoSPBRhwckg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )