UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's15tPlMnTAFHJ/L8ZUNCswsiwlX7mnxeP8NW3qaikAE=' 
WHERE 
  key_id = 'b4e21e5d1a635349ad8eaf87887a9fb5c057bc616d49be4a687e34b5b4f73754' 
  AND (
    token = 's15tPlMnTAFHJ/L8ZUNCswsiwlX7mnxeP8NW3qaikAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )