UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R5cVcKVqFprVoVYy99J5EjI0YV234kecpdg+w7PHmeg=' 
WHERE 
  key_id = '338491df8cebf2422beffaba359e9e5a69d6857ef29431dc84ca62f0a52a1f3c' 
  AND (
    token = 'R5cVcKVqFprVoVYy99J5EjI0YV234kecpdg+w7PHmeg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )