UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q8h58IiiYqEnyUqkFvJxkIfSkkeFBrWX0rjzEsDKpLU=' 
WHERE 
  key_id = '50d235ff07eb17b16e0c120656f01c39c280b23d8ac0240271b5fafd3e619d39' 
  AND (
    token = 'q8h58IiiYqEnyUqkFvJxkIfSkkeFBrWX0rjzEsDKpLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )