UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uYsRTSSxNO3+CcZ6VUWrpvWvmx41aMWopzktXtEPV0s=' 
WHERE 
  key_id = '4021c0b786b4439a8c7a3b541302e1908a7e8870c631b408141d61defa8abe2b' 
  AND (
    token = 'uYsRTSSxNO3+CcZ6VUWrpvWvmx41aMWopzktXtEPV0s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )