UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p30C4YBhUj9xz1JZx8Lh8imWKm4xyiISMbYQ0iuggZY=' 
WHERE 
  key_id = '15a6bda51f1dd8a4b87ac04b96554cd9d4dd804cdfbd0be558acb5e863bd23a6' 
  AND (
    token = 'p30C4YBhUj9xz1JZx8Lh8imWKm4xyiISMbYQ0iuggZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )