UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eg0EAgOaUU5r82HY7tbbzLeUoqSohx8kkR5VlUHkizU=' 
WHERE 
  key_id = '4d6461d0fee79f4276ff2353857d1849e7a51fd836b3406a21ad807a301a3ed7' 
  AND (
    token = 'eg0EAgOaUU5r82HY7tbbzLeUoqSohx8kkR5VlUHkizU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )