UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6L/S7mSexntDF91CXFv3QWy93DoTqudVpZtIP9N0c50=' 
WHERE 
  key_id = 'e8915b93323d0114dcd463be70dfdab8481b9d4836c9ff1a98e08dc1dcb67fb5' 
  AND (
    token = '6L/S7mSexntDF91CXFv3QWy93DoTqudVpZtIP9N0c50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )