UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kkrRAi0yCGt43bqomd8pvswCLujNBxFlwCorHIXmmIE=' 
WHERE 
  key_id = '6cff479e9c09fae8372977129c68d9e64ee0f759a84c6f36305e0764863a9c23' 
  AND (
    token = 'kkrRAi0yCGt43bqomd8pvswCLujNBxFlwCorHIXmmIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )