UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '82GaCCx0Mpb1U+ENap9nX8WU08ILU1zhVD+bbNE47ik=' 
WHERE 
  key_id = '6975c49502878faed5880ac6ede4b4ca1b7070aa2d2008dbe1ad319fac879f8a' 
  AND (
    token = '82GaCCx0Mpb1U+ENap9nX8WU08ILU1zhVD+bbNE47ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )