UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v27MTnUjdwBqrF2l6KeplfljWD3+aCB5NMqyR2Nin1g=' 
WHERE 
  key_id = '3caacdd4cd37d5676e5188eba6e7fec8b940812fd4ad59ad891e777487f95444' 
  AND (
    token = 'v27MTnUjdwBqrF2l6KeplfljWD3+aCB5NMqyR2Nin1g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )