UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ghch69CHyHeyUoaBDDd3yfkgbkfqV905IFGlNPSSfRk=' 
WHERE 
  key_id = 'c4b1b54d00c7ae0c31d3d9b5274b4553cb43ef10ce2c44d673b1005c3e5d8481' 
  AND (
    token = 'Ghch69CHyHeyUoaBDDd3yfkgbkfqV905IFGlNPSSfRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )