UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exhETo5vGJ0FGNWBD2oEpGXW5TTawS81Oy6qJ8lqp9o=' 
WHERE 
  key_id = 'e2c0d98994f9a414e60e0a7548df36c5f7b4294b2ee7b0e54086445bd1755385' 
  AND (
    token = 'exhETo5vGJ0FGNWBD2oEpGXW5TTawS81Oy6qJ8lqp9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )