UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+/fwKwZPpGcVT+kf11L28gGxDfWJrqUPjmpxe0qdAkA=' 
WHERE 
  key_id = '2c0273998404a0308f258909dcd41e648007f02260e847001ebee576cd686a4b' 
  AND (
    token = '+/fwKwZPpGcVT+kf11L28gGxDfWJrqUPjmpxe0qdAkA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )