UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c/l8OCXF6ndhKp8f3WQRxle72d5FS1aSVaWOd+y2IxY=' 
WHERE 
  key_id = '18b5c81c1c26018c6ebc76517e5697c305733614d2e324213d5477f512e61f36' 
  AND (
    token = 'c/l8OCXF6ndhKp8f3WQRxle72d5FS1aSVaWOd+y2IxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )