UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ePmToDsbHmvthO4DR3sOkBYCvc68TV8rohXvKbLKmyI=' 
WHERE 
  key_id = '18e451e4623947de619b665289136b0f1c26b591bd63d597d3836613b800fced' 
  AND (
    token = 'ePmToDsbHmvthO4DR3sOkBYCvc68TV8rohXvKbLKmyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )