UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DfXAgnStpgF9GXnTmQYp05NrBc8CBwmd9Hskp+YzjKc=' 
WHERE 
  key_id = 'a546095afddb92cab82685c3a18806e83d0c69be14af79c704f6f1061636cbb9' 
  AND (
    token = 'DfXAgnStpgF9GXnTmQYp05NrBc8CBwmd9Hskp+YzjKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )