UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPzwq2xrTp6BE/Q6w8RAwZi1FhQqTHyVhWc8C9qPqRQ=' 
WHERE 
  key_id = '995d9b6a4f02ab95122db689966142d5bf87ebbd8a5423d37d683109f24e1972' 
  AND (
    token = 'gPzwq2xrTp6BE/Q6w8RAwZi1FhQqTHyVhWc8C9qPqRQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )