UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekpbuLODW3pY+BWyJYmdSmy9+ReD5TJMcfTgun0xerw=' 
WHERE 
  key_id = 'e8e44ab83ce5e48ef5f01be236309d0f67d37352103eb9b0ecad9f259c0403e2' 
  AND (
    token = 'ekpbuLODW3pY+BWyJYmdSmy9+ReD5TJMcfTgun0xerw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )