UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kO/mpHvpeXxBTm3wa6wD2yR7EAJ98KdpIxr9dFvXMzo=' 
WHERE 
  key_id = '689d29300e355edb864b51a470de2983c9890e48feee571bd809f5bd7daddaf5' 
  AND (
    token = 'kO/mpHvpeXxBTm3wa6wD2yR7EAJ98KdpIxr9dFvXMzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )