UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FFhexMfz7h4LyzcYHDlVYcBkslw4IpE9dCRfkqfPUow=' 
WHERE 
  key_id = '2891081a2ce93a646e532f02ad07b4a4b7094fe2e34bc3026620d655c7278719' 
  AND (
    token = 'FFhexMfz7h4LyzcYHDlVYcBkslw4IpE9dCRfkqfPUow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )