UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cty7VHam4vKb8Iz5AbKuCAIR4jLDwKCl2Z6LX3/iO7c=' 
WHERE 
  key_id = 'acebd3e13c3cb9798ad37f12993fe9f021a867c55c37a4b1903990e121168652' 
  AND (
    token = 'cty7VHam4vKb8Iz5AbKuCAIR4jLDwKCl2Z6LX3/iO7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )