UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TY5fzjfTfzKb2vM/RtahQe4CveEd3OvMmjDLPVnAoec=' 
WHERE 
  key_id = '848df27cee59732045671b3c4f96664ed83c206f1e4a0314547874c1a670dc7f' 
  AND (
    token = 'TY5fzjfTfzKb2vM/RtahQe4CveEd3OvMmjDLPVnAoec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )