UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dw0AEL4O1MMFRBPW/iFTwF5hiGeA8p02tNJn/UywbnQ=' 
WHERE 
  key_id = '4f2cfe637b037cae3e7c5c99deeafa8a2ed55c56d8bbe822c0209a5c439dedc3' 
  AND (
    token = 'Dw0AEL4O1MMFRBPW/iFTwF5hiGeA8p02tNJn/UywbnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )