UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UKsp/5xtmTFTghPQqcgR8jT4T9fk88nS9bQRyCvfuDs=' 
WHERE 
  key_id = '53477454a378149a973106704175d4ce0e74bd8e0a933857b8072f1b0c2206f1' 
  AND (
    token = 'UKsp/5xtmTFTghPQqcgR8jT4T9fk88nS9bQRyCvfuDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )