UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BZpz1yUWDBfPaj7rCuTcpHZCsTpVHDFegmEkJWfMEi4=' 
WHERE 
  key_id = '6adb39067e7fc9d854287a3044a6de8ff7ccfc4f708124ac83d14256019b9404' 
  AND (
    token = 'BZpz1yUWDBfPaj7rCuTcpHZCsTpVHDFegmEkJWfMEi4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )