UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SC7k8qcuYARsQ2tGugipZ8IfJwf7lLTs3R8gdDl8/EQ=' 
WHERE 
  key_id = '6903278a0a06a6db4ae7cf31ecb5ce9d6198de29c6f9d50844fc32e679a7a003' 
  AND (
    token = 'SC7k8qcuYARsQ2tGugipZ8IfJwf7lLTs3R8gdDl8/EQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )