UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'myfLqptzAVpbbSDFNevOWnh6CmA4LyP001ltgtfTq5A=' 
WHERE 
  key_id = '1f854bbc50cd08c63c4f551d931eb753e4d61cf2793a05974da67f892b426be7' 
  AND (
    token = 'myfLqptzAVpbbSDFNevOWnh6CmA4LyP001ltgtfTq5A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )