UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B3pEdT3sseWnsktuW109Xcb9b6+3012GGwTk1S0qFtE=' 
WHERE 
  key_id = 'fd4a2b3b6d41d97febeb4c7c43a5c437310b6c5a13eb9f61e6c7bdd3d5bc00a4' 
  AND (
    token = 'B3pEdT3sseWnsktuW109Xcb9b6+3012GGwTk1S0qFtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )