UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPRLHN6l6fbqUpwV94VrBgzfrkq9P3Ic9UcgZKYBHLY=' 
WHERE 
  key_id = '312e0d0cd0bd42c113b29d4f6b3b69a3be69b8ccd34443df5e1452d9ca1a2b04' 
  AND (
    token = 'gPRLHN6l6fbqUpwV94VrBgzfrkq9P3Ic9UcgZKYBHLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )