UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rlef3WGxVyA7ftU4QoqkfdUINY7+TeLpya0P81Zgbfo=' 
WHERE 
  key_id = '9643784c2d55c5a5d91697d1e8c3c459ca4e8a40b4a7ac5184753a5a55c6bbc4' 
  AND (
    token = 'rlef3WGxVyA7ftU4QoqkfdUINY7+TeLpya0P81Zgbfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )