UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZelWa5PUL3qKWKA4YX1cYZCgRfwqhC7HnueKDuPuKtY=' 
WHERE 
  key_id = 'c34d31ecbe5a78ad1a6cf41c050fe9ad800ba3710876f0231cb6015f3204c47a' 
  AND (
    token = 'ZelWa5PUL3qKWKA4YX1cYZCgRfwqhC7HnueKDuPuKtY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )