UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bM7jKgSWjKcD5vprd8SU41QvZpIEw3RWmOXXr9Pn5E0=' 
WHERE 
  key_id = '51ba47128c8132cc9b6683bcf211636a54fbdc3e849af7740e51eefdd21bf02a' 
  AND (
    token = 'bM7jKgSWjKcD5vprd8SU41QvZpIEw3RWmOXXr9Pn5E0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )