UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/rCvzRwvBqIwGrCW92BQdNK1Rri67ZUUCQDxFlze88=' 
WHERE 
  key_id = '6a9dc79b7218c6ff926bec11a7063d56a5592c943d6787caacd2368f3f94f450' 
  AND (
    token = 'U/rCvzRwvBqIwGrCW92BQdNK1Rri67ZUUCQDxFlze88=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )