UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rjqkx7yFnckuB98fW5u1TRArMgaTwh72nHjlEHzEk1E=' 
WHERE 
  key_id = '20cb6bf2f7d75971b865b2a85d80166506da9cb2118662747e1c4a35a796ca40' 
  AND (
    token = 'Rjqkx7yFnckuB98fW5u1TRArMgaTwh72nHjlEHzEk1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )