UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8bGBvVB2XJiFoWRelr67SEew8jvvakcomXACrheqwEA=' 
WHERE 
  key_id = '313b696c6e4afb083a0c8f8b70acbeb26bcac5f6abd2a89b691646db6cd11e3b' 
  AND (
    token = '8bGBvVB2XJiFoWRelr67SEew8jvvakcomXACrheqwEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )