UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'db1dFGTS6spH2jmCJtfRMKyhVd4XLiYTyj9d/gelQBw=' 
WHERE 
  key_id = '7ce9735096278a485e80d31abab03f3fde2fc1e36038c72574c6e23e7044068f' 
  AND (
    token = 'db1dFGTS6spH2jmCJtfRMKyhVd4XLiYTyj9d/gelQBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )