UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekeZgHv9jWF5wt0n9BFksIdM2qZWQEfQtyEknSLEyAM=' 
WHERE 
  key_id = '50458e71cb58c93414dbb4ca3ba4587b09637816636b90b1471a6fee822a7ca7' 
  AND (
    token = 'ekeZgHv9jWF5wt0n9BFksIdM2qZWQEfQtyEknSLEyAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )