UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SSMjdo11urMhPYWUkN+5BYXbZ1FEKmvdsw4qqC1rs4k=' 
WHERE 
  key_id = '51a60e648dfa41c9feaa376c718ddc72cb348c6b09e1a2334c6186b4046eafbb' 
  AND (
    token = 'SSMjdo11urMhPYWUkN+5BYXbZ1FEKmvdsw4qqC1rs4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )