UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G28oSABj8LrGrB8tosRIcNMGWCu3T+tIwzQOGi877bs=' 
WHERE 
  key_id = '279005d0e64d37aad46eb9e919c30d9e9647e588316c31b399da4c35fca1fbc2' 
  AND (
    token = 'G28oSABj8LrGrB8tosRIcNMGWCu3T+tIwzQOGi877bs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )