UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RHxk8mL0rxLI1N3maZj00XSJExC8kI7rdiDwZewgGrI=' 
WHERE 
  key_id = 'b83a09b38e8458d8df61fcb0067e5e586407d8b02da861458bb249ee24e01d81' 
  AND (
    token = 'RHxk8mL0rxLI1N3maZj00XSJExC8kI7rdiDwZewgGrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )