UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rJCSAUpPz0cTpfUR+39BKBO9EG0naRNOjCEyIupgtDk=' 
WHERE 
  key_id = '968810efdf98d6cb008aed4c1f520690debf940d5d037c13993942104ad383f6' 
  AND (
    token = 'rJCSAUpPz0cTpfUR+39BKBO9EG0naRNOjCEyIupgtDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )