UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6Bzomw3wTMtqc3lq2PljITIzV8XAyrqTb3nhqTAyME=' 
WHERE 
  key_id = 'aa4fb9d7a39f40a9621f191255ac894c3bb82a7c2502c299a41010bfb54bb83a' 
  AND (
    token = 'R6Bzomw3wTMtqc3lq2PljITIzV8XAyrqTb3nhqTAyME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )