UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4G09l9xp5GwXyrCW0CeEAhUtHFFIB83OQ8Z2wePLiXQ=' 
WHERE 
  key_id = '28cb36143ad918c5dd38e95b2de544d81906d5556951f16d588cd52937e91636' 
  AND (
    token = '4G09l9xp5GwXyrCW0CeEAhUtHFFIB83OQ8Z2wePLiXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )