UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yhyA2iX3Xp8xcmXWm4nqnxWkG1aDof0UL4VArLhYV6c=' 
WHERE 
  key_id = '21979dc47851f4f10dfeaa1e6ec7154c9a432d2d3f00d53160cd04725c969992' 
  AND (
    token = 'yhyA2iX3Xp8xcmXWm4nqnxWkG1aDof0UL4VArLhYV6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )