UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BM8JOSGkPuK645ox4ku9NH8RSAll+kpdJHcZHy/TD1k=' 
WHERE 
  key_id = 'd18bf7e4868f054875b30777fbe0acace720e7dccf2a11a689b0402a2da78d49' 
  AND (
    token = 'BM8JOSGkPuK645ox4ku9NH8RSAll+kpdJHcZHy/TD1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )