UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OJVzUO+QePfTpezdniRjsaxIFWAKZjU8afLJR71L6NM=' 
WHERE 
  key_id = '68c2a38f80e90c9bbb401f329052577bb38b69762d69c83d6eb0924a1fe16d6f' 
  AND (
    token = 'OJVzUO+QePfTpezdniRjsaxIFWAKZjU8afLJR71L6NM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )