UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Hc1kGGu9cgMCDzn7svRibHGxpmbEeoBxxvr+OY/YeE=' 
WHERE 
  key_id = '3420fb4d7394e1760e3de9dbed81c907b26543f1a5dea2986a423875edcd86d0' 
  AND (
    token = '3Hc1kGGu9cgMCDzn7svRibHGxpmbEeoBxxvr+OY/YeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )