UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5z25uXHZj96EvMeIBSW8eqjT0mLyjvc/2BYh8yYoyjk=' 
WHERE 
  key_id = 'e52ef2e11408fb16151d8a2bc7738c2b879967b994fb675d1528c622962e6691' 
  AND (
    token = '5z25uXHZj96EvMeIBSW8eqjT0mLyjvc/2BYh8yYoyjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )