UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pQcxaFFQx9xzkddyM6xprs+C8T/069glMCgmYmxovwA=' 
WHERE 
  key_id = '75fdccb1b484b08b7e848cbe447c271515432f5d2b583c447576c606628cf982' 
  AND (
    token = 'pQcxaFFQx9xzkddyM6xprs+C8T/069glMCgmYmxovwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )