UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vf8QqTWXejEXjtVGoeuFsycfa7ePo6wjWdcyENlpf94=' 
WHERE 
  key_id = 'f8b50990adcade17b6c704fcdf9edab06d9927430c9e63ab05aec87e5498f08b' 
  AND (
    token = 'Vf8QqTWXejEXjtVGoeuFsycfa7ePo6wjWdcyENlpf94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )