UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cHykZ0XSFIEp/k+sDk6i+4YOAZGcK7UmlmaWzvSGVLc=' 
WHERE 
  key_id = '4d7052da5b84a935015503b26cadf55f37ecf1ae171695dc7762b49dedcb4bd2' 
  AND (
    token = 'cHykZ0XSFIEp/k+sDk6i+4YOAZGcK7UmlmaWzvSGVLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )