UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gdL6szEaW1Kv7QKDok7HyMXOmM0UzDueLEjCYZo0emc=' 
WHERE 
  key_id = '1b83ba659fa64d901c48179d819761fa045140086d5cf957bdfd5fc7a6906f18' 
  AND (
    token = 'gdL6szEaW1Kv7QKDok7HyMXOmM0UzDueLEjCYZo0emc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )