UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zSMu5pkbMC3lgsipzd6DdTtotCI9A0G5B9oCvgM1ehA=' 
WHERE 
  key_id = '6db18da402d5bb1073a79a99d18523ca8bca7caf487181cbdef7b02cda6e787b' 
  AND (
    token = 'zSMu5pkbMC3lgsipzd6DdTtotCI9A0G5B9oCvgM1ehA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )