UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCJi1H4uRep7twR0YPuiy1geblS2TXnubd9n1pL1eVg=' 
WHERE 
  key_id = '5df19647ec006e71ab26b033c82a12100bd222578065db8fa9bed400ac5fdc54' 
  AND (
    token = 'MCJi1H4uRep7twR0YPuiy1geblS2TXnubd9n1pL1eVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )