UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UBTBhbUOlerTgtX2MSlIK/KlnAIRr5XfWosHUSXVyV0=' 
WHERE 
  key_id = '6d96ba81cff853e44b22baf361182004fd19346e249757f7b690dbf283e739fc' 
  AND (
    token = 'UBTBhbUOlerTgtX2MSlIK/KlnAIRr5XfWosHUSXVyV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )