UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ePk2v0vVtoZpHZH8YV6wdp37oKLIGeJIHiJk7ieCdus=' 
WHERE 
  key_id = 'f6d752ead7498f225219de42628d8575984fc99fbe316ec0574e3fe722fccae0' 
  AND (
    token = 'ePk2v0vVtoZpHZH8YV6wdp37oKLIGeJIHiJk7ieCdus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )