UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'stVdXS4zh39qJo1V6B2uemcuAPKY/nkFzARRrkUfghg=' 
WHERE 
  key_id = '7ae3f6e86d97f5c9dc695eff03ce2810ecd8d37caf60f926a81ffc0a7547dd79' 
  AND (
    token = 'stVdXS4zh39qJo1V6B2uemcuAPKY/nkFzARRrkUfghg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )