UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EwdHl8h04vkbJJb8yQQWnsKE4kAEmv7UOpoVboxPFl0=' 
WHERE 
  key_id = '6b99a2f870cf138b479f1a0e070b658d6173e8fa0a75ae14859a8d2ca1ba6492' 
  AND (
    token = 'EwdHl8h04vkbJJb8yQQWnsKE4kAEmv7UOpoVboxPFl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )