UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mL9PwVmc4IhLFc9HIGUqX+ZaBGD/UPziZmhv323XyAk=' 
WHERE 
  key_id = '8688e7b92411bd1889a0d712eac073333e7fabc464306ef27c27b5b5be41fe45' 
  AND (
    token = 'mL9PwVmc4IhLFc9HIGUqX+ZaBGD/UPziZmhv323XyAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )