UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UYWergOz4x09Su82xPEo4bCjzQ3dWspgWb+ePuGUq9E=' 
WHERE 
  key_id = 'b9346cb5703843574e8188651fd7a581eca0485a47e610647712c625e9aa2b84' 
  AND (
    token = 'UYWergOz4x09Su82xPEo4bCjzQ3dWspgWb+ePuGUq9E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )