UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cZVWwCTBH83opIHBnlFdq7MORafOVO4YkdlZfwPmDEc=' 
WHERE 
  key_id = 'ce4fb46b7c5acdafb95d4ece0435c8e04a796576519e162304b3cf00344c7617' 
  AND (
    token = 'cZVWwCTBH83opIHBnlFdq7MORafOVO4YkdlZfwPmDEc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )