UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e7c3/eQSzcf/atNWiPtDtqlH4FaO0f4b1LsuFpVelUM=' 
WHERE 
  key_id = '39a0d7d540624e8c29b03d709a1adc782955c8b89d0beea3e8c355b60de1cb40' 
  AND (
    token = 'e7c3/eQSzcf/atNWiPtDtqlH4FaO0f4b1LsuFpVelUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )