UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ng1w2SMu/RqNIBI913DvBEbzt4UOgrckCimiwegiXwg=' 
WHERE 
  key_id = '40de8db469e10cd00764846a81ead99820ec55912048fd71e9b086459e95de5a' 
  AND (
    token = 'ng1w2SMu/RqNIBI913DvBEbzt4UOgrckCimiwegiXwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )