UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6hQHDl5p+bTBb0uvuj5Jqp2csDCB4CY52IOLB721Is=' 
WHERE 
  key_id = 'efccb8fdef3800040e137d506b85fefb93a9ddc7b213fe3a3de41632bf5a4b9e' 
  AND (
    token = '/6hQHDl5p+bTBb0uvuj5Jqp2csDCB4CY52IOLB721Is=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )