UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RSHWK6zMdd1b1vJFuxBhgvK4yJvpe0nqLfRLBv8zPJk=' 
WHERE 
  key_id = '5231b36308e6a80a4949faea1f6eac6cbae359e23896f3c4aded83ebd9497a93' 
  AND (
    token = 'RSHWK6zMdd1b1vJFuxBhgvK4yJvpe0nqLfRLBv8zPJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )