UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tx5kyjyvwQBn9x3y1BtzqBGN/ZbOdiJ0LxH7XCYoFvc=' 
WHERE 
  key_id = 'c0250cc45914efa7d6d144bbc02c5f1f6df89486b162f98bcfeabc3bd5394fa1' 
  AND (
    token = 'tx5kyjyvwQBn9x3y1BtzqBGN/ZbOdiJ0LxH7XCYoFvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )