UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PTa6eje+M71FlqD65VzhbydRRlZpfA6UACsllNMIRjo=' 
WHERE 
  key_id = '2a397c0271fc98a0bb9b96a192abc8c10893328b416eaac326db787ea83dc2e6' 
  AND (
    token = 'PTa6eje+M71FlqD65VzhbydRRlZpfA6UACsllNMIRjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )