UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T6KKZA8LUGRfghsnJnc4v+/a1D4LzHN6C5rNbL30pB4=' 
WHERE 
  key_id = '7a9e6dc1c160b131da5d418e1d5c93aeec4684ff87b04ab7a824ad93ba32971a' 
  AND (
    token = 'T6KKZA8LUGRfghsnJnc4v+/a1D4LzHN6C5rNbL30pB4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )