UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w97DvWeM+Qq4CNTLp/E+lvuCYA0mXBO83zUDoSRNAtc=' 
WHERE 
  key_id = 'e7277ad76dac90443e5e2b9e7f03416c9f5f0b8fd96c63f07f76fe4d5a5887ac' 
  AND (
    token = 'w97DvWeM+Qq4CNTLp/E+lvuCYA0mXBO83zUDoSRNAtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )