UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xXEpyNhzhU7aMJO/RH0ZM/qZcYwLGyVFUU/+QKP9xfk=' 
WHERE 
  key_id = '4e96e35d09ee097374e53d3f440e2f48281a4973d6d09667414e622c5eb4ea1c' 
  AND (
    token = 'xXEpyNhzhU7aMJO/RH0ZM/qZcYwLGyVFUU/+QKP9xfk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )