UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yDxJwdjq9zxFLfhkOkrvvP3f936D500O/ThBexyN9n4=' 
WHERE 
  key_id = '21fd441930b22904452a88670884ad8c0f23625482c33db92758d916377d3e4f' 
  AND (
    token = 'yDxJwdjq9zxFLfhkOkrvvP3f936D500O/ThBexyN9n4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )