UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z8AfiUu6Sr1AEf3ruGX+n9aLR0BcPU3Iit//6FhMGT0=' 
WHERE 
  key_id = '1c876ec45781a49b3ae0b640ee5e1178cdf17a0453bf09880beae973fed0f321' 
  AND (
    token = 'Z8AfiUu6Sr1AEf3ruGX+n9aLR0BcPU3Iit//6FhMGT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )