UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kywp5lvt7XFu5lkQfmzCs+wcwljSfmvBylL8ro9CUqo=' 
WHERE 
  key_id = '8a637ca32c643e58d85fc5f9d209e822d341e336a9fd4cb3a3a3894796c3ea50' 
  AND (
    token = 'kywp5lvt7XFu5lkQfmzCs+wcwljSfmvBylL8ro9CUqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )