UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PP7z/RecMMSr7Jnfs7TwnB04A0c5aEIA+lU4ex+bo0w=' 
WHERE 
  key_id = '6537806ff062ef8d67dca397641a158ec412e0d802203d667360516a23c6ce7f' 
  AND (
    token = 'PP7z/RecMMSr7Jnfs7TwnB04A0c5aEIA+lU4ex+bo0w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )