UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '76V9QgQOYQaFG1cf8ely6OaTDE6cVOuShewU1AoDwr4=' 
WHERE 
  key_id = '49259d24baae79a3cd740b8f34e3ef85b634a591c62fd93d9509784aa0cc9c42' 
  AND (
    token = '76V9QgQOYQaFG1cf8ely6OaTDE6cVOuShewU1AoDwr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )