UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eKu7rGW640XAuOaSo6VNUupH484Vdj40nMA/NnAbDWg=' 
WHERE 
  key_id = 'b4f37d348905997f3c123928bf517056046dcec781f9d21bead39aeb03726697' 
  AND (
    token = 'eKu7rGW640XAuOaSo6VNUupH484Vdj40nMA/NnAbDWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )