UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQ5bTUs9xnnd91JwA1m0eTYdsJT88IeCJk4UFZ4//44=' 
WHERE 
  key_id = '6a9c9e1cabf1cbbd9fefd202329e6b024603b3ad7e43c96227db0eacdb42887a' 
  AND (
    token = 'xQ5bTUs9xnnd91JwA1m0eTYdsJT88IeCJk4UFZ4//44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )