UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BLkSaZyYXsiW0MDYSg38ExnlAYPSxt02fInyI6NrcVI=' 
WHERE 
  key_id = 'a6e634beaf3e5a6d97cc55726e7a2e7157afe2ca3153ce985f7d83ea61780e3f' 
  AND (
    token = 'BLkSaZyYXsiW0MDYSg38ExnlAYPSxt02fInyI6NrcVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )