UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PzUQt3yn6d+psVpQXrc516neVo7uhqMX7lOLIRJGW/c=' 
WHERE 
  key_id = 'e309e921ead9c4a7c458467bcde47a0af917f164648b9e83aa04f119ba199698' 
  AND (
    token = 'PzUQt3yn6d+psVpQXrc516neVo7uhqMX7lOLIRJGW/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )