UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zOb9R5yH919DAQp8kiHmdIPs+1X52i5L6pItmhZyuD4=' 
WHERE 
  key_id = '4d815b2dc4fae993f361553b4eaeeb8800a751048012975e105e8895fc35cc00' 
  AND (
    token = 'zOb9R5yH919DAQp8kiHmdIPs+1X52i5L6pItmhZyuD4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )