UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JlUysk74ZwAWWFbS9bA8SZr4gz39PRayVmyam1ePx7M=' 
WHERE 
  key_id = 'dc44f3df6e441c9933229ae29519e8f7dbc75269e11c6800215217e345d7e297' 
  AND (
    token = 'JlUysk74ZwAWWFbS9bA8SZr4gz39PRayVmyam1ePx7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )