UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZskNnih1JV3nb1nFKeZa5bWEBUnImf6K8q/U0V/wCMA=' 
WHERE 
  key_id = 'e6261e369d64c89d51b19e388fbf5fec181c39ecff9808ff50c0c2b7e1c4f9a7' 
  AND (
    token = 'ZskNnih1JV3nb1nFKeZa5bWEBUnImf6K8q/U0V/wCMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )