UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeK/D5H6kcPEoLzQdMl6ybC9HJgM5bcxdO3LrWIkFXk=' 
WHERE 
  key_id = 'cd4624f8960c430094a35c7f80d0fbc58810a74c431a183ad2e3d5c5350463c6' 
  AND (
    token = 'MeK/D5H6kcPEoLzQdMl6ybC9HJgM5bcxdO3LrWIkFXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )