UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+z3B0GeC3TxalmjJQIGPjfu4WaU59KRXqVXp08I5as4=' 
WHERE 
  key_id = '16cd21a5fe6d3b65860e2b429669b5086bdf1dd58fe0771743c7d989383c9984' 
  AND (
    token = '+z3B0GeC3TxalmjJQIGPjfu4WaU59KRXqVXp08I5as4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )