UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xRPxIbsbJ7eQllTmAnoHj7zFFe5dhsCN1Vgb17uJdrw=' 
WHERE 
  key_id = '4a50a9121a4b2405db63bbc06a81ac6249c04792e6d450288c4a2fdce437eaab' 
  AND (
    token = 'xRPxIbsbJ7eQllTmAnoHj7zFFe5dhsCN1Vgb17uJdrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )