UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hLKFNJbpvFjDPfu6rOr4ZDjxSyb+Th53NgLZz4TWSak=' 
WHERE 
  key_id = '40fce52278e80c4279d9b505000aca7a2d9cc04e96d9ad157aa2fd0ca4e670c5' 
  AND (
    token = 'hLKFNJbpvFjDPfu6rOr4ZDjxSyb+Th53NgLZz4TWSak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )