UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kkw7lqhIC5eVTWvizmtdTGXk75WYPXteDG0SeZjNIN0=' 
WHERE 
  key_id = '6e3bd6336b47d9e83fa1e71fb3fcbd5e378430cf6d59d166e994c2f19a0eff45' 
  AND (
    token = 'Kkw7lqhIC5eVTWvizmtdTGXk75WYPXteDG0SeZjNIN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )