UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7QiZWy7U6khjxemDrmyDkHJxs4nM9CVR5VDH7PuqXWU=' 
WHERE 
  key_id = '56a1b187091da8eac7cd6367de3e6906d2309ff1c7611200f2c6b062311c6b2b' 
  AND (
    token = '7QiZWy7U6khjxemDrmyDkHJxs4nM9CVR5VDH7PuqXWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )