UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'OupGdJAMBN179XzXyr9OMoQwoeS8mDN2VQpYEF3NnDs=' 
WHERE 
  key_id = '74704752d35c9ae1953b91757f7b2c2126c5aa7a4506064fc6b6ff6f9654b099' 
  AND (
    token = 'OupGdJAMBN179XzXyr9OMoQwoeS8mDN2VQpYEF3NnDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )