UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Teg/6YNrhsm8QGNQuAJfIYwfSZOe0cfpZXZW0Gnm3Lc=' 
WHERE 
  key_id = '51f5522b0f6686bf2034ff7de276cc0205be16ae980b09995703ad9f60b84507' 
  AND (
    token = 'Teg/6YNrhsm8QGNQuAJfIYwfSZOe0cfpZXZW0Gnm3Lc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )