UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dcz9obW/iVLj7hMCl8zS7/NfyAHE1okUOkxfzbrq/5c=' 
WHERE 
  key_id = '15c0bf2c9ff01adec186d8ad31ed2c19d91ea0514684689ad0d6f26263184249' 
  AND (
    token = 'dcz9obW/iVLj7hMCl8zS7/NfyAHE1okUOkxfzbrq/5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )