UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MzSeeJLo3IApnLfZkBwP2OU2MuI58fhxWmXiyOkmvF0=' 
WHERE 
  key_id = '6b5f27b5d84e40262a50c082524b9ab75b46f5261784ebf0a98525df750d63c4' 
  AND (
    token = 'MzSeeJLo3IApnLfZkBwP2OU2MuI58fhxWmXiyOkmvF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )