UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tM7UcrMkTkJ5J0lev3GB7i/dyWFpOJK6XOI201qLSNE=' 
WHERE 
  key_id = '1c18f37ba39b96f7519371b97fae38e542498691eb4615c8f408082881d629d2' 
  AND (
    token = 'tM7UcrMkTkJ5J0lev3GB7i/dyWFpOJK6XOI201qLSNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )