UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RhWH1fgSBRZ1DGNlwUr/WgI1/xh0qpXbayxsgjUNP5Q=' 
WHERE 
  key_id = '8831e1f445b8326f33369fea33b4b31dab6acbebc68a49f6911634640d99bbf8' 
  AND (
    token = 'RhWH1fgSBRZ1DGNlwUr/WgI1/xh0qpXbayxsgjUNP5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )