UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i94OYZIJTNPF1NGllB5cdd7dAPUUqlcXIBe7Ia0l4KU=' 
WHERE 
  key_id = '2c7d8a84a6683eb5a5114714eacabbca4e37630e247d9887badb5560044a7035' 
  AND (
    token = 'i94OYZIJTNPF1NGllB5cdd7dAPUUqlcXIBe7Ia0l4KU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )