UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Czdfd0FGeZJIWy41mn6JLJPEmnA2TbnW11Q9dh33so=' 
WHERE 
  key_id = '843b7bc1f6a5a5211a2f20fa4bb9596544f3a30dc2ed2606c445dc890f0a692b' 
  AND (
    token = '6Czdfd0FGeZJIWy41mn6JLJPEmnA2TbnW11Q9dh33so=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )