UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRUEhLRJQ9fBqzCQRfpsE/5i4RFW3uhuZ8FOU3axWwA=' 
WHERE 
  key_id = '59cf1f5e6910d0ab8b04ca7eec2b53ac12c62c1eec5d2fe78bad16d443fb584f' 
  AND (
    token = 'MRUEhLRJQ9fBqzCQRfpsE/5i4RFW3uhuZ8FOU3axWwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )