UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bnupIpNoMgTthrNbGKfipiJ7mozu2wbREW2GPZEIhWY=' 
WHERE 
  key_id = '51f3db9cc2f4825155952a97bb2eaea94b41c6cd219607cb22aca32c27156299' 
  AND (
    token = 'bnupIpNoMgTthrNbGKfipiJ7mozu2wbREW2GPZEIhWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )