UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fg9c7EwUudyqKPtVfe6lf3Xv4FUflkF0/+SaUkKCTcs=' 
WHERE 
  key_id = '9a7f2b281683a19b6af945aba5d944e7c6b52a9cde7c51d6e9b7e094ee67b307' 
  AND (
    token = 'fg9c7EwUudyqKPtVfe6lf3Xv4FUflkF0/+SaUkKCTcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )