UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N340ssgiBb3BEOizOwBmSB1WPrwHUG+ryl36zu2BMdM=' 
WHERE 
  key_id = '6982d3250c7a1fbf619c6f9cc054cc757bd6e94e8916728e798189f147695cfc' 
  AND (
    token = 'N340ssgiBb3BEOizOwBmSB1WPrwHUG+ryl36zu2BMdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )