UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tUyi7d7+wZMGdCBxlwnbGB3CGvtsAnsC2jzUsWRe2yY=' 
WHERE 
  key_id = '4d2c268e01fd6b64b74e51c2c4b256b4cfbb9490824f6e35bfda0bbb9b7b9af4' 
  AND (
    token = 'tUyi7d7+wZMGdCBxlwnbGB3CGvtsAnsC2jzUsWRe2yY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )