UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1fwl9VdBHzOBOf5BMFcWxNz3x4C7ektJTqccD6ZSnvs=' 
WHERE 
  key_id = '6877f3a5b5d1bded366a7c6e52a7b728140f4c4416ab4c57ade6f6433f1525be' 
  AND (
    token = '1fwl9VdBHzOBOf5BMFcWxNz3x4C7ektJTqccD6ZSnvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )