UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zBVo0+tAQwFbmAJd3/5fSKmLhm310Whv1GzTG02fcuQ=' 
WHERE 
  key_id = '15c83966216264d6b6002145d61bbffe42998a74dd623fc7340894bcc494ac75' 
  AND (
    token = 'zBVo0+tAQwFbmAJd3/5fSKmLhm310Whv1GzTG02fcuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )