UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3VwbWX3V+/UIwt1wNl8Nebv+YH9e6ZjzIZRkBINxBXo=' 
WHERE 
  key_id = '6b918503e15348aad420cef50916e91c07031fd21ae1a3f5922e586921d76d7a' 
  AND (
    token = '3VwbWX3V+/UIwt1wNl8Nebv+YH9e6ZjzIZRkBINxBXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )