UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fC8v0Y7lBsMtIJBflNwkPb5sqSw9UqKF2ueumMaQ2qA=' 
WHERE 
  key_id = 'a400429a3dfa294cbfa0c30372d7621adfd14d4313599fc889e2ae9c5594b309' 
  AND (
    token = 'fC8v0Y7lBsMtIJBflNwkPb5sqSw9UqKF2ueumMaQ2qA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )