UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l7qGuPkrkmTvclHJ3aPkaiVEvCdgFjp9pOhSxFQ9nTM=' 
WHERE 
  key_id = '3940a02fce9dd11fc36ab12e84bfe067839760272c396af16439ee0e49475d51' 
  AND (
    token = 'l7qGuPkrkmTvclHJ3aPkaiVEvCdgFjp9pOhSxFQ9nTM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )