UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Px+q839ZrvI8SYVhuXAYrfydxeiDf7B41cyNg1UFgM=' 
WHERE 
  key_id = '94d1857bce832d6134b87e07e862567e754fc8ba1f87890cc7a15fa26f6474b9' 
  AND (
    token = '2Px+q839ZrvI8SYVhuXAYrfydxeiDf7B41cyNg1UFgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )