UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pmZQb9EczMpdF5aIzyqqUhKcD0L97OMQs/P/PlBPHEE=' 
WHERE 
  key_id = '91b24860168404eb38fc08ae6b1936b6f712c1c03ce85382efec6f894921fe40' 
  AND (
    token = 'pmZQb9EczMpdF5aIzyqqUhKcD0L97OMQs/P/PlBPHEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )