UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cLPJZmbBWn3dxlKpv+l65xj6lba7zi5Xo/DjZVK4u5Y=' 
WHERE 
  key_id = 'be29aa7141af2a1b408b83c8fa2437949eb7f6dfb0dcaa21ffef9183ced65554' 
  AND (
    token = 'cLPJZmbBWn3dxlKpv+l65xj6lba7zi5Xo/DjZVK4u5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036