UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ojCbxkjgHNDAgm/ihSfRXXcpH0IzlBeEbsWBgV0abBg=' 
WHERE 
  key_id = '51045d3e9033b295819486b769f18e1c4bef4ff2d6793dd46ffc287d75deb904' 
  AND (
    token = 'ojCbxkjgHNDAgm/ihSfRXXcpH0IzlBeEbsWBgV0abBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )