UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxdHGwlwifGYIzAcUI/y8RiD99CPpgAUohBdwMN5SzQ=' 
WHERE 
  key_id = '1490a270bd6cf660a81d9573a7f6485e78f2727d52a7cccc42f834f343d277d1' 
  AND (
    token = 'PxdHGwlwifGYIzAcUI/y8RiD99CPpgAUohBdwMN5SzQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )