UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c9iITAorkYZVaXCaqZWxargh6YJwTrN/0A0R4nIfpUg=' 
WHERE 
  key_id = 'bc9f5e9e3185780ae81aaceaab7c2112d317ea0406127912ce786ad101482a7c' 
  AND (
    token = 'c9iITAorkYZVaXCaqZWxargh6YJwTrN/0A0R4nIfpUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )