UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3xxu4PL2fpiTxtm1kyRQyGZ2qUrok5wv6zTaLRmjZrE=' 
WHERE 
  key_id = 'e3c898d99fe309b1d113432e4adb2a91c52a7392e9ceddfbe3ff662b9fd2ebef' 
  AND (
    token = '3xxu4PL2fpiTxtm1kyRQyGZ2qUrok5wv6zTaLRmjZrE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )