UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PTs+860jjaV2pjmnNLik3VswbUt01D4Yx+GkludLpH8=' 
WHERE 
  key_id = '1a9eac6ac710356cd4bc2cd56f6bd8170bd266a79c87734cccfcc59a708dea83' 
  AND (
    token = 'PTs+860jjaV2pjmnNLik3VswbUt01D4Yx+GkludLpH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )