UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm5w7HWdL86F2myLLehYoGzzZvCnBoXWrK1wV2uhCr98=' 
WHERE 
  key_id = '158b1ef036ce54ce64512c023ce8d8780c70d3bb3c71e104997f4763d155fe9d' 
  AND (
    token = 'm5w7HWdL86F2myLLehYoGzzZvCnBoXWrK1wV2uhCr98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )