UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RkiMMCNlPfLwFBr5xcUVhAgB+TZXskgNZ9w3gRpJ1NQ=' 
WHERE 
  key_id = '7c1b761a6b637e2bc219a187d95f4a880917fd0ca7ec8cdf4bccd2784606312c' 
  AND (
    token = 'RkiMMCNlPfLwFBr5xcUVhAgB+TZXskgNZ9w3gRpJ1NQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )