UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PGT1xGGczFHoM54feO1XcTALq58GcD25UULjKmxa/9o=' 
WHERE 
  key_id = 'e6f75a4650c58ad94f1e6e479cbecff315047361d5736965218e3cd4905b719a' 
  AND (
    token = 'PGT1xGGczFHoM54feO1XcTALq58GcD25UULjKmxa/9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )