UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pVDRb73RcyEbvs5aMrUymhKSZI+rqvEMkEMakbUH5FA=' 
WHERE 
  key_id = 'c50db3d81f0a3fac729497fe6201af5e932711cc4f0a22b9e5d77c927d155067' 
  AND (
    token = 'pVDRb73RcyEbvs5aMrUymhKSZI+rqvEMkEMakbUH5FA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )