UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '38erXCgDcTtxLU1nqySPZpmAEg4VNPojdjPEQaPxO/U=' 
WHERE 
  key_id = '6735f31dfefd5afb03cf76e023f108f0bcd30af5ea3f45e382bab224a5cdac46' 
  AND (
    token = '38erXCgDcTtxLU1nqySPZpmAEg4VNPojdjPEQaPxO/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )