UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RcMDIGZwrXUNvmFj2kc42Df3mYAVrHxHzjulR8eaXXY=' 
WHERE 
  key_id = '461b655a653793adbd1442ef917a03df653e00eed5559ebeb060eb2f8c20f125' 
  AND (
    token = 'RcMDIGZwrXUNvmFj2kc42Df3mYAVrHxHzjulR8eaXXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )