UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h7JWWKbS/3Wx9twISVFg6xHRg4beDzYd2mDRgpZ67cc=' 
WHERE 
  key_id = '4791c41439ae4c926e0eb2a9a5ec3231179fc4f088f0942125101510c8095675' 
  AND (
    token = 'h7JWWKbS/3Wx9twISVFg6xHRg4beDzYd2mDRgpZ67cc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )