UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6kk9IJ4CxckabTIwb0B42X1l2mUGysDUxrnfiJeFLMg=' 
WHERE 
  key_id = 'a1f90c42b0e321fc8cfc459dc7501e7958ec6f03252e88cd131f6c51e5ea9d61' 
  AND (
    token = '6kk9IJ4CxckabTIwb0B42X1l2mUGysDUxrnfiJeFLMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )