UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MY5762oI31JobOmff0TVlmmuFDIsHY6mbVGov7LOFQw=' 
WHERE 
  key_id = '00497cf787c1e829954e17d777c42da3a37af63207012745e0c7b6b197d9a033' 
  AND (
    token = 'MY5762oI31JobOmff0TVlmmuFDIsHY6mbVGov7LOFQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )