UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E3quxndU7HjiMyBn+Q8SgwQT+94xJdiXcxuiGqd0iCM=' 
WHERE 
  key_id = 'd2e97380c3954dbf0d538cf9e0142fd4def5b2673ec115e52ad5340c554d89a4' 
  AND (
    token = 'E3quxndU7HjiMyBn+Q8SgwQT+94xJdiXcxuiGqd0iCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )