UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wIx5l0HQVyTu0LJp6lsJmPA8DH/4E9q69dpdvfzM2c=' 
WHERE 
  key_id = 'a4c58b31fcc236a99034df095e74dc0cefb400af71c8c1fe03d802086589b651' 
  AND (
    token = '6wIx5l0HQVyTu0LJp6lsJmPA8DH/4E9q69dpdvfzM2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )