UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mrZoV2CMeHn75zAU7vKrdZ9SJ6bAaoUekJ7aCK7TMjU=' 
WHERE 
  key_id = '53d57d6ee67a6f73d66fcea53fbc75255a4302c2389bf68f485fab5e139fcb7a' 
  AND (
    token = 'mrZoV2CMeHn75zAU7vKrdZ9SJ6bAaoUekJ7aCK7TMjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )