UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R7QE0ACLxj9gHQ00//lmTew/lnIyXfsdbAvTqEbSXxY=' 
WHERE 
  key_id = 'd52c512766143793e8e32e4e73b841361353465ea3d8aef275a79b7a2e04aec7' 
  AND (
    token = 'R7QE0ACLxj9gHQ00//lmTew/lnIyXfsdbAvTqEbSXxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )