UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kUe76PeXG+wdz6g99ta6EZQ417fihMEnaoj8KNrK0yo=' 
WHERE 
  key_id = '25478a1ca9c17bc4bfd5985f00d244941a57eec8694fd227241ce892fb165d9f' 
  AND (
    token = 'kUe76PeXG+wdz6g99ta6EZQ417fihMEnaoj8KNrK0yo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )