UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ATKmN3V8Fvew3fThYo4ItcQ3+YCYzCpDGgVbxrUJNCU=' 
WHERE 
  key_id = 'a09d02ef20a928b319142c34950a9b0d52eb30c111985a242af310c12a36a018' 
  AND (
    token = 'ATKmN3V8Fvew3fThYo4ItcQ3+YCYzCpDGgVbxrUJNCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )