UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z9RFD1xNiDEzS1lB1guDUBBwhEuWd0yRxfs04+UZ488=' 
WHERE 
  key_id = '956e72438d6079fe39b1b97293daa519c222d56452676f950c11667edbb8e20e' 
  AND (
    token = 'Z9RFD1xNiDEzS1lB1guDUBBwhEuWd0yRxfs04+UZ488=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )