UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y9v0B/+9bDDILdVcAa3CrbUNddNJgbe4B8txo0beoww=' 
WHERE 
  key_id = '6cb8175316e518721ca527de9b8641e7961e6116d44b942592673bf417946d6f' 
  AND (
    token = 'Y9v0B/+9bDDILdVcAa3CrbUNddNJgbe4B8txo0beoww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )