UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U79XPgcAyzYZ4YPWIpPEyiMQNYIhCRxpTWJGcTNuN2E=' 
WHERE 
  key_id = '7a7506cecfcf18a5c2e639b16ae375e0887c4bd3197f6ccae41161d21775a749' 
  AND (
    token = 'U79XPgcAyzYZ4YPWIpPEyiMQNYIhCRxpTWJGcTNuN2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )