UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9eQDLz1B5E+/VjGP3OaOCbNdUDO2hSU5HqEUxDOJZY=' 
WHERE 
  key_id = '7c50d5ad1b601d068ba4eadcbb68c0ba529d5d697f16266b9c1a8356ba33c94a' 
  AND (
    token = 'U9eQDLz1B5E+/VjGP3OaOCbNdUDO2hSU5HqEUxDOJZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )