UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxFpoJ2LRO6cPacbaLfKRXWjnlzxEwdHxvktjvfG4Ec=' 
WHERE 
  key_id = '0494215f06712b6dacd6d50119fe7edf9546d893ef11453096024c23feef6c51' 
  AND (
    token = 'MxFpoJ2LRO6cPacbaLfKRXWjnlzxEwdHxvktjvfG4Ec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )